Answer:
cytoplasm and genetic material are the characteristics common to both prokaryotic and eukaryotic cells.
Explanation:
The characteristics common to both prokaryotic and eukaryotic cells are:
Cytoplasm
Genetic material (DNA)
Cell membrane (plasma membrane)
What is the full form of DNA ?It stands for deoxyribonucleic acid.
However, the presence of a nucleus and membrane-bound organelles is a feature that is unique to eukaryotic cells, as prokaryotes lack these structures.
hey share some similarities, they also differ in many significant ways.
One characteristic that is common to both eukaryotic and prokaryotic cells is the cytoplasm. The cytoplasm is the gel-like substance that fills the cell and contains all of the cellular components. It serves as a medium for the transport of materials within the cell.
Another common feature is the genetic material, which is present in both types of cells. Genetic material is composed of DNA, which carries the genetic information necessary for the functioning of the cell.
Although, In prokaryotic cells, the DNA is present in a circular form, while in eukaryotic cells, it is present in linear chromosomes.
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What part is indicated by "A" and "B" in the image attached?
The part indicated by "A" and "B" in the image attached are:
A is the epicondyleB is the fossaeWhat are the epicondyle and fossae?Epicondyles and fossae are anatomical terms that describe bony features of the human skeleton, specifically in the upper limbs.
Epicondyles are bony projections located on the distal end of the humerus bone, which is the bone in the upper arm. There are two epicondyles on the humerus, called the medial epicondyle and the lateral epicondyle. These projections serve as attachment points for various muscles and ligaments that are involved in movement of the forearm and hand.
Fossae, on the other hand, are shallow depressions or grooves in bone. In the context of the upper limb, there are several fossae in the humerus bone that serve as attachment points for muscles and ligaments. For example, the coronoid fossa is a depression in the anterior surface of the distal end of the humerus that accommodates the coronoid process of the ulna bone in the forearm.
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In Table 1, P50 is higher in summer than in winter even if winter hemoglobin is exposed to summer temperatures. This demonstrates that:
Hemoglobin is more abundant in summer
hemoglobin is 50% saturated at lower partial pressures in winter.
Hemoglobin is more abundant in winter
hemoglobin is 50% saturated at higher partial pressures in winter.
Hemoglobin is 50% saturated at lower partial pressures in winter.
Why is P50 is higher in summer than in winter even if winter hemoglobin is exposed to summer temperatures?P50 is a measure of the partial pressure of oxygen at which hemoglobin is 50% saturated with oxygen. It is affected by a variety of factors, including temperature, pH, and the concentration of other gases such as carbon dioxide.
One reason why P50 might be higher in the summer than in the winter is because of differences in temperature. Hemoglobin is sensitive to temperature, and its oxygen-binding affinity decreases as temperature increases. This means that hemoglobin is less able to bind oxygen at higher temperatures, which results in a higher P50.
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Which of the following is true about natural selection?
A. Natural selection is the only cause of changes in a species.
B. Natural selection usually causes a species to change suddenly.
C. Natural selection does not cause a species to change.
D. Natural selection usually causes a species to change gradually.
Answer:
B
Explanation:
only the individuals with certain genetic markers and therefore abilities to survive a given threat, can reproduce. which has a changing effect for the species within only very few generations. which is on the timescale of evolution a sudden change.
but it depends on the nature of the threat.
if the threat itself develops slowly, then natural selection will also cause a slow change.
if the threat appears suddenly in full force, so will the change by natural selection.
immunization by vaccination turns the threat into slow mode, as it continues to being a threat by mutations.
Project: Global Temperature Change please help me
In the project, we must mention that global temperature change is one of the most pressing environmental issues facing the world today. It is the result of human activities and has numerous impacts on the planet and its inhabitants.
What does Changes in Global Temperature mean?Global temperature change refers to the long-term increase or decrease in the average temperature of the Earth's atmosphere and oceans. Since the Industrial Revolution in the mid-19th century, the Earth's average surface temperature has increased by approximately 1°C, primarily due to human activities such as the burning of fossil fuels and deforestation, which have led to an increase in greenhouse gases in the atmosphere.
This increase in temperature has led to numerous impacts, including sea-level rise, more frequent and intense heatwaves, changes in precipitation patterns, and more frequent and intense extreme weather events such as hurricanes and floods. These impacts have significant consequences for human health, agriculture, biodiversity, and the economy.
In conclusion, it is essential that we take action to reduce greenhouse gas emissions and mitigate the impacts of climate change to ensure a sustainable future for ourselves and future generations.
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choose three stimulus response
A a bear conserves energy
B a skunk sprays
C a puffer fish expands
D a goose flies south
thank you if you helped!
Answer: B, C, D
Explanation: A -a bear conserves energy that doesn't matter cause we know most animals conserve energy/ , a skunk sprays, a puffer fish expands goose flies south these are all true cause we know all this happens. :)
When a cell divides by mitosis & cytokinesis ________
A. each daughter cell receives the same amount of genetic information that was in the parent cell, but it has been altered.
B. genetic information is randomly parceled out to the daughter cells.
C. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.
D. None of these are true
E. each daughter cell receives exactly half the genetic information in the parent cell.
Answer:
C. each daughter cell receives a nearly perfect copy of the parent cell's genetic information.
Explanation:
During mitosis, the genetic material (DNA) is replicated and then divided equally between the two daughter cells, ensuring that each cell receives an identical set of chromosomes. Cytokinesis then physically separates the two cells. While some random mutations can occur during DNA replication, the overall amount and content of genetic information in each daughter cell is almost identical to the parent cell. Option A is incorrect because it suggests that the genetic information is altered, which is not necessarily true. Option B is incorrect because it suggests that the division of genetic material is random, which is not the case during mitosis. Option D and E are also incorrect.
Answer:
D. None of these are true
Explanation:
Mitosis and subsequent cytokinesis yields 2 daughter cells with identical genetic information to each other and the parent cell.
Natural selection relies on which two factors to occur?
-individual organisms in a population are genetically identical
-differences between in individual organisms in a population
-inheritance of existing genetic traits
-learned traits are passed from parents to offspring
-individual organisms can change their genetic traits to better suit their environment
A trait must have heritable variation in order for natural selection to occur, and the ownership of the trait must be associated with differential survival and reproduction.
Provide a case study of natural selection:Origin of giraffes' long necks is a classic example of natural selection at action. Animals resembling deer or antelope with necks of average length were the progenitors of current giraffes.
What causes the process of natural selection?Natural selection happens when people with a certain genotype have a higher chance of surviving and reproducing than those with a different genotype, and as a result, are more likely to pass on their alleles to the following generation.
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what is the answer of this one?
The property of water most likely caused the weathering in picture is hydrogen bonds in the water grew outward and moves the rock apart.
What are the properties of water?Water (H 2O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue.
Three specific properties of water include adhesion, cohesion and surface tension. Adhesion is the attraction of water molecules to other substances, such as glass.
The four unique properties of water that make it unique are high specific heat, high polarity, adhesion cohesion, and a lower density as a solid. Water having a high specific heat allows it to absorb heat energy without a subsequent change in temperature.
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If we started the process of evolution over again on earth, what all of the organisms still evolve and look the same, or would the process give us completely different organisms, including different intelligent life instead of humans? 
If we started the process of evolution over again on Earth, it is highly unlikely that the resulting organisms would be the same as the ones we see today.
What is evolution?The process of evolution is driven by a combination of random genetic mutations, natural selection, and environmental pressures. It is highly dependent on the specific circumstances and conditions of the environment.
Even if we were to start with the same initial conditions, such as same set of organisms and environmental factors, random nature of genetic mutations and unpredictable nature of environmental changes would result in different evolutionary paths being taken.
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How has the use of fossil fuels negatively affected earth
Answer: When fossil fuels are burned, gases like carbon dioxide are released into the atmosphere that add up over time and trap heat. This is why they’re called “greenhouse” gases.
Explanation:
Match the letter of each lens or mirror shown in Figure 19-1 with the correct description below. Answers may be used more than once.
A. Convex mirror: This type of mirror is curved outward like a dome and produces an upright, magnified image.
What is Convex mirror?A Convex mirror is a curved mirror which has a reflecting surface that bulges outward, away from the viewer. It is also known as a diverging mirror, as it causes light rays to diverge away from the mirror's surface. Convex mirrors are often used in security, to help see around corners, as well as in vehicles, to provide a wider field of view. The image formed by a convex mirror is always smaller and upright compared to the object it is reflecting, making it useful for applications such as rear-view mirrors.
B. Concave lens: This type of lens is curved inward like a bowl and is used to focus light.
C. Plane mirror: This type of mirror is flat and produces an upright, reversed image.
D. Convex lens: This type of lens is curved outward like a dome and is used to spread out light.
E. Concave mirror: This type of mirror is curved inward like a bowl and produces an upright, magnified image.
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Complete Question:
Match the letter of each lens or mirror shown in Figure 19-1 with the correct description below.Answers may be used more than once.1.__A__convex mirror2.__D__convex lens3.__B__concave lens4.__C__plane mirror5.__E__concave mirror6.___C_produces an upright, reversed image
Certain cleanup methods for oil spills are bad the environment. Which of the following correctly identifies a negative impact and presents a solution for reducing that impact?
There are numerous cleanup procedures for oil spills that can have significant environmental consequences, and strategies for mitigating those consequences will vary depending on the approach utilized. Yet, here is an example of a negative influence and a strategy to reduce it:
Negative impact: The use of chemical dispersants to break up the oil slick can be harmful to marine life and ecosystems. Dispersants can also disperse oil throughout the water column, making cleanup more difficult.
Solution: One option to lessen the harmful effects of dispersants is to limit their use and employ them only in regions where oil is unlikely to reach delicate habitats or when other cleanup methods are ineffective. Furthermore, employing more natural, biodegradable dispersants rather than synthetic ones can lessen the total environmental impact. Finally, utilizing dispersants in conjunction with mechanical measures such as booms and skimmers can aid in the containment and removal of scattered oil.
Source:
Please view and answer images Please view and answer images Please view and answer images Please view and answer images
They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.
What is reaction ?
The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds. The transformation of one or more reactants into one or more new products is referred to as a chemical reaction. Substances are made of chemical constituents or compounds.
What is glucose ?
It is a monosaccharide, which means "one sugar," and is the most basic type of carbohydrate (carb). Fructose, galactose, and ribose are examples of other monosaccharides. This is the form in which the body eventually transforms food glucose and other carbs into blood glucose.
Therefore, They absorb photons of certain level, ||, |||, | , ATP, light depends reaction these are the answers of those questions.
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8. A NONSENSE MUTATION occurs when a codon is changed to a STOP codon. Many proteins are thousands of amino acids in length. At the end of the gene, the cell reaches the stop codon. If a codon is changed to STOP, the building of the amino acid terminates and the protein is incomplete.
Why would a Nonsense mutation be less damaging if it occurred at the end of the gene rather than the beginning?
Nonsense mutations are point mutations that cause an mRNA codon to turn into a stop codon. If the mutation is at the beginning of the gene, it is more damaging because most of the protein is affected. The new molecule is shorter, quite different from the original one, and would not accomplish all its functions.
What is a nonsense mutation?
When a change occurs in a single base pair, it is known as a point mutation. Points mutations might be either silent, missense, or nonsense.
Nonsense mutations turn the mRNA codon into a stop codon, making the mutated protein reach its end before the original protein.
The length of the new molecule depends on where the mutation occurred.
If the mutation occurs at the beginning it is more damaging than if it occurs at the end.
If the mutation occurs at the end, most of the original protein can be synthesized before reaching the mutation point, getting to be highly similar to the original protein, and getting to accomplish most of its functions. If the mutation occurs at the beginning of the gene, the new protein is almost entirely different from the original one, very short, and with highly altered functions.You can learn more about nonsense mutations at
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SCIENCE PLEASE HELPP FASST PLEASE PLEASE
Answer: Im pretty sure the answer is B because fish dont need oxygen and there is no oxygen tank
Hope this helps!
what time period did fossil “A” exist?
Answer:
The answer is B Cambrian
Explanation:
In the Devonian period, the fossils were things like sponges, corals, bryozoans, brachiopods, trilobites, snails, clams, squid-like animals, crinoids, and microscopic animals like ostracodes and conodonts. The Cenozoic period was the "Age of Mammals." Common Cenozoic fossils include cat-like carnivores and early horses, as well as ice-age fossils like wooly mammoths. And in the Cambrian period, the fossils that were found were arthropods. That is an arthropod. Hope this helps :)
PLEASE HELP EXPERTS
We organize messages by
A. Deciding what to pay attention to
B. Paying attention
C. Comparing them with information we have from past experiences
D. Focusing on specific stimuli and ignoring others
Deciding what to pay attention to we can organise messages. Therefore option (A) is correct.
Why organising messages is important?Organizing messages is important because it helps individuals process and understand information more effectively. When we organize messages, we are essentially categorizing and grouping them in a way that makes sense to us. This allows us to focus our attention on the most important information, filter out irrelevant or unimportant details, and better retain and recall the information later on.
By comparing new information with our past experiences, we can also better understand the context and meaning of the messages. Overall, organizing messages helps us make sense of the world around us, communicate more effectively, and make more informed decisions based on the information presented to us.
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Lesson 3:3 activity 4 model a lunar eclipse by showing how the moon is illuminated . Top view and view from earth
The model of a lunar eclipse showing how the moon is illuminated is found in the attachment.
What is a lunar eclipse?A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon. Lunar eclipses can only occur during a full moon when the Sun, Earth, and Moon are in a straight line.
During a lunar eclipse, the Moon moves into the Earth's shadow, which has two distinct parts: the penumbra (outer shadow) and the umbra (inner shadow). When the Moon moves into the penumbra, it appears slightly dimmer, but the change is not very noticeable. When the Moon moves into the umbra, it appears to turn red, orange, or brownish-red.
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How is genetic variation passed down in asexual reproduction
. HELLPP PLEASEEE URGENT!!
Imagine you are on a team designing a self-contained and self-sustaining moon
base. The base will initially be supplied with materials, equipment and organisms
from Earth, but is then expected to function indefinitely. Is it a good idea to irradiate
everything before it arrives to make sure that no bacteria are present? What would
some of the likely consequences of this action be?
Removing bacteria would result in a buildup off toxic ways and dead organisms, both of which bacteria decomposed shutdown of all chemical cycling and consequent that off all organisms.
What are the benefits of bacteria for the environment?Bacteria are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms.
Bacteria help many animals to digest food, they help trees grow, and they are important in the recycling of nutrients in the environment. They are also used in biotechnology applications to produce everything from food to energy to clean water.
Bacteria break down (or decompose) dead organisms, animal waste, and plant litter to obtain nutrients. But microbes don't just eat nature's waste, they recycle it.
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In a rain forest in Indonesia, the bornean orangutans, the saltwater crocodile, and the rivers make up which of the following? Population part of a community or part of an ecosystem
This is an example of an ecosystem, in which all of these species interact with each other and their environment in order to survive.
What is ecosystem?An ecosystem is a biological community of interacting organisms and their physical environment. It can be as small as a puddle or as large as the entire planet. Ecosystems are dynamic, constantly changing and adapting to the forces of nature. They include both living organisms and nonliving components such as air, water, and soil. All of the components of an ecosystem are connected, and changes to one element can affect the entire system.
The rain forest provides a habitat for these species, and the rivers act as a source of food and water for them. The interaction between these species and the environment is what makes an ecosystem so unique and important. In addition, the abundance of biodiversity found in this ecosystem helps to maintain balance in the entire region. All of these species rely on each other in order to thrive, making this a true example of an ecosystem.
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Characteristics of Electromagnetic Spectrum
Analog vs. Digital Signals
Multiple frequencies of the electromagnetic spectrum can carry communication signals and mass amounts of information. In general, signals sent using higher frequencies of the electromagnetic spectrum travel shorter distances but have a higher data-carrying capacity. This physical characteristic of electromagnetic waves limits the range and availability of frequencies for sending information.
The electromagnetic spectrum is a limited resource. Since electromagnetic waves move outward in all directions, wave transmitters need to be focused to transmit their signals to a single specified location. Likewise, wave receivers can be focused to maximize signal reception from a particular location. However, the receiving antenna may still detect unintended signals that can interfere with reception.
To avoid signal interference problems, multiple users cannot transmit radio signals at the same frequencies, at the same time, and in the same direction. The spectrum is scarce; at any given time and place, one use of a frequency prevents it from being used by others in the same location. As soon as one user stops transmitting signals over a portion of the spectrum, another user can immediately re-use it.
There are two important types of signal transmissions to understand: analog and digital.
wave that rises and falls
Analog wave
Analog signal transmission information (sound, video, or data) travels in a continuous wave whose strength and frequency change depending on the amount of data being submitted.
Travels in a continuous wave
Strength and frequency vary
wave that rises and falls but is square instead of wavy
Digital wave
Digital signal transmission information is converted to ones and zeros which are formatted and sent as electrical pulses. Advantages of using digital signals include greater accuracy, noise reduction (unwanted signals) and an increased capacity for sending information.
Travels as an electrical pulse
More accurate, less interference
In summary, the electromagnetic spectrum is a limited resource that is used for a variety of communication needs.
What is electromagnetic spectrum?The electromagnetic spectrum is the range of all types of electromagnetic radiation. It is made up of different types of radiation, such as radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays. Each type of radiation has different characteristics, such as wavelength, frequency, and energy. All types of electromagnetic radiation are affected by the electromagnetic force, which is a type of force between objects that have an electric charge. Electromagnetic radiation is used in many different ways, such as to provide communication, to detect objects, and to provide energy.
The spectrum contains multiple frequencies that are used for sending information, either in analog or digital form. Analog signals travel in a continuous wave, while digital signals are converted to ones and zeros and sent as electrical pulses. The use of the spectrum is carefully managed to prevent interference between different users.
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If a plasma sample of a patient is contaminated by metal ion chelating agent EDTA, what will be happening during coagulation test?
Answer:
it will be an equal and opposite reaction
2
Which of the following best describes the graph above?
A.
relation only
B.
both a relation and a function
C.
function only
D.
neither a relation nor a function
A relation between two sets is a group of ordered pairs that each include one item from both sets. If item x comes from the first set and item y comes from the second set
How can you recognize ordered pairs?One point's coordinates from the coordinate system are included in an ordered pair. A point's ordered pair of the form of is used to identify it (x, y). The x-coordinate of the first number is the same as the y-coordinate of the second.
What indicators exist that an ordered pair is a one to one?Applying the horizontal line test to the function's graph is a simple technique to see if it is a one-to-one function. To do this, doodle horizontal lines.
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SOMEONE PLEASE HELP!!!! Draw a diagram a neuron in the midst of conducting a nerve impulse. Your diagram should show changes in ion movement, and changes in internal and external net charge (+ or -) as the impulse is propagated.
During a nerve impulse, neuron undergoes changes in ion movement across its cell membrane.
What is nerve impulse?Sudden reversal of the electrical charge across membrane of resting neuron is called nerve impulse.
Initially, neuron has a resting membrane potential of approximately -70 millivolts (mV) with more negatively charged ions inside the neuron compared to outside. When stimulus is received, ion channels open in response, allowing for influx of positively charged sodium ions into neuron. This influx of Na+ ions depolarizes membrane potential, causing internal net charge to become more positive.
Once the membrane potential reaches certain threshold , voltage-gated ion channels open, causing larger influx of Na+ ions into neuron. This creates an action potential, rapid and transient change in membrane potential where internal net charge becomes more positive and external net charge becomes more negative.
As action potential moves down the axon of neuron, voltage-gated ion channels continue to open and close, causing wave of depolarization followed by repolarization. During repolarization phase, voltage-gated ion channels for K+ open, allowing efflux of K+ ions out of the neuron.
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The diagram shows Earth, the Moon, and the Sun during neap tides.
When the Moon is in its first quarter and third quarter phases, the gravitational
forces of the Sun and the Moon pull at 90 degree angles from one another. This
means that when the Moon is in its first quarter and third quarter phases, (cutted off here)
A. High tides are experienced worldwide at the same time.
B. Low tides are experienced worldwide at the same time.
C. High tides are at their lowest levels.
D. Low tides are at their lowest level.
When the Moon is in its first quarter and third quarter phases, low tides are at their lowest level.
The correct option is D.
What happens when the Moon is in its first-quarter and third-quarter phases?When the Moon is in its first quarter and third quarter phases, the gravitational forces of the Sun and the Moon pull at 90-degree angles from one another. At this point, low tides are at their lowest level.
During these phases, the gravitational forces of the Sun and the Moon partially cancel each other out, resulting in lower tidal ranges. This is known as a neap tide, and it occurs twice a month, around the time of the first quarter and third quarter phases of the Moon.
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How do beaches affect other
marine ecosystems?
Answer:
Beaches affect other marine ecosystems by: Reducing sedimentation caused by coastal erosion; Acting as a filter the processes compounds entering the sea. Factors that limit the productivity of estuary ecosystems include: The need to survive osmotic stress; The depletion of the oxygen in the sediments.
ATP gothose
+8
ATP
-38
Calvin
cycle NAW
OA The proteins that control the Calvin cycle stop working
ATP
An excess of carbon dioxide (CO₂) in a chloroplast makes conditions there
more acdie Such a change can cause protein molecules in cells to change
shape and stop functioning. Which change is most likely to happen if a
& The proteins that split H₂O molecules start splitting Co
OC. The amount of light entering the chbroplast increase
D. The amount of Op inside the chloroplast increases
000
Answer:
+8
Explanation:
BIngle bopper69
Listed in the Item Bank are key terms and expressions, each of which is associated with one of the cloumns. Some terms may display additional information when you click on them.
When you click on a term or expression in the Item Bank, an explanation of the term will appear.
What is expression?Expression is the act of expressing or setting forth in words. It is the way an individual conveys their thoughts, emotions, and ideas to others. Expression is a form of communication that can be verbal, non-verbal, written, or through physical actions. Expression is a way of conveying meaning, allowing someone to share their innermost thoughts and feelings with others. Expression can be used to bring joy and happiness, offer comfort and support, create understanding, and build relationships. Expression is a powerful tool and can be used to make positive change in the world.
This explanation can provide additional information about the term, such as its definition, usage, and context. Additionally, it may include examples or visual aids to help you better understand the concept.
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why anaerobic respiration is to have evolved earlier than aerobic respiration?
Answer:
Life is believed to have started in water, consequently translating to problems bordering around the amount of dissolved gases (especially Oxygen) available. This would in turn influence how organisms find means of survival, one of which is being able to respire in the absence of oxygen. You would also observe that evolution sets in, organisms start adapting to life on land, the need to develop features to allow more atmospheric oxygen sets in.