Answer:
Crust, mantle and core.
Water availability.
Volcanic eruptions.
Explanation:
The main similarities about Early earth and Modern earth is their layers of soil such as crust, mantle and core means that the both Early earth and Modern earth are made up of these three layers. At that time water is present in huge amount while on the other hand, in Modern earth water is also present in large amount as compared to land. Volcanic eruptions occurs in both early and Modern earth.
What is an example of an abiotic factor of an aquarium environment
Answer:
Biotic: fish, plants, algae, bacteria. Abiotic: salt, water, rocks, sediment, trash.
Explanation:
Answer:
water salinity, oxygen levels, pH levels, water flow rate, water depth and temperature.
Explanation:
If your body gets too cold, then your muscles start to shiver, which helps raise body temperature *
True or False?
Answer:
True
-----------------
Because skeletal muscles to bring about rapid contractions that generate heat.
Which phase is pictured?
Answer:
metaphase of mitosis
Explanation:
have a nice day and stay safe c:
What would happen if cytokinesis did not occur?
Answer:
Cytokinesis takes place in both meiosis and mitosis and performs the separation of he cell in half and form one nucleus into each daughter cell.
If cytokinesis did not happen, it will from multinucleated cells which means that their will be multiple nuclei in single cell and cell will not get separate in half, and no new daughter cells will form.
URGENT!!! 30 PTS!! PLS HELP!!!
Answer:
GgSs, Ggss, ggSs, ggss
50% green, 50% striped, 50% long
Explanation:
due to dominance and heterozygous its a 1;1 ratio
making a punned square and dividing traits equals half dominates half recessive.
Which of the following statements concerning diffusion and active transport is correct?
Time R
Attempt
11 Min
Active transport requires cell energy while diffusion does not
Both diffusion and active transport require cell energy
Diffusion requires cell energy while active transport does not
The correct statement concerning diffusion and active transport is - Active transport requires cell energy while diffusion does not.
Active transport is the transport of substances or molecules against the concentration gradient in the cell through the membrane.
As it moves against the concentration gradient it requires energy to perform such movement.This process gets energy from the powerhouse of the cellIt is a unidirectional movementit is a selective process.Diffusion is the process where the movement of the solvent takes place according to the concentration gradient. It does not require energy and is a non-selective process.
Thus, the correct answer is - Active transport requires cell energy while diffusion does not.
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How do oxygen and glucose molecules release energy in the cells? please make it simple
Answer:
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released. In cells use oxygen to release energy stored in sugars such as glucose. In fact, most of the energy used by the cells in your body is provided by cellular respiration.
Explanation:
i tried my best to break it down into a simple explanation. hope this isn't too complicated, and i hope it helps!! have a nice day.
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Describe 3 places that radiation is absorbed?
I need help
it's for science class
Which of these can be found in RNA but not DNA
Answer:
r u on edg
Explanation: if its edg i know it
Which of the following organisms is a tertiary consumer?
O frog
O redwood tree
O great white shark
athlete's foot fungus
Answer:
Great White Shark
Explanation:
The great white shark is top of the food chain. The fungus is the bottom of the food chain with the decomposers. The redwood tree is the Primary consumer sense it gets its needs from the sun and the nutrients from the ground. Lastly, the frog is the fourth of the food chain with the Carnivores, secondary consumers.
the correct progression of organisms on the planet?
Answer:
The correct progression of organisms on the planet is the ediacaran fauna-reptiles-mammals.
Explanation:
What is a template for a rna sequence
Answer:
carries information from the nucleus to the ribosome
Explanation:
Vertical ocean circulation is generated by
A. cold and dense ocean water sinking and warm and less dense water rising.
B. warm and dense ocean water sinking and cold and less dense water rising.
C. cold and dense ocean water rising and warm less dense water sinking.
D. the Coriolis effect.
E. prevailing winds.
Answer:
B. maybe I dont know but can you help me with dna
Answer:
B
Explanation: i have done this before
Please I need help on this
Answer:
4
Explanation:
Answer:
C. 4
The mouse, deer, rabbit, and raccoon all eat the producers
The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would create stable population?(1 point)
natality + immigration = mortality + emigration
natality + immigration = mortality - emigration
natality + mortality = immigration + emigration
natality - immigration = mortality + emigration
Question: "The population change equation is Population Change = (Natality - Mortality) + (Immigration - Emigration). Which equation would create stable population?"
Answer: "The equation that would best create a stable population would be natality - mortality = immigration - emigration. Hope this helps!"
Population Change = (Natality - Mortality) + (Immigration - Emigration), with the best equation being "natality + immigration = mortality + emigration," with natality being the birth rate and mortality being the death rate (first equation).
What is the significance of the population change?Population change is significant as it explains the growth of the population and shows the pattern of the growth and the stability of the population. It represents a population that is in a state of balance and this balance is only achieved in the population when the number of people being born (natality) is equal to the number of people dying (mortality) and the number of people entering the population (immigration) is equal to the number of people leaving the population (emigration).
Hence, population Change = (Natality - Mortality) + (Immigration - Emigration), with the best equation being "natality + immigration = mortality + emigration," with natality being the birth rate and mortality being the death rate (first equation).
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62. Predators, like eagles, hunt animals for food; while scavengers, like vultures, eat the remains of animals.
Eagle
Vulture
Which of the following statements correctly describes how predators and scavengers affect their environments
O Both scavengers and predators remove energy from the environment.
O Both scavengers and predators recycle energy within their environment.
Scavengers recycle energy while predators remove energy from the environment.
O Predators gain energy from their prey and scavengers lose energy by feeding on remains.
Answer:
I'd assume A because they both take energy from a scorce but, one kills an animal and the other eats the already dead animals.
Explanation:
Word bank
fossils
rock cycle
sedimentary
evidence
metamorphic
carbon cycle
erosion
nitrogen cycle
Question 1
Rock containing ____
that are thousands of years old provides ____
for the long history of Earth and its changing life forms.
What are 20 things that are found today on earth that demonstrate our connection to stars?
Answer:
Explanation:
telliscope moon rock mars rock sky and 1 1 1 1 1 1 1 1 1 1 2n3ehd ok i cant delteat that the next thing s books and of coruse the sun and also t
The forearm of all of these
animals are considered
homologous structures. Why?
A. They develop from the same embryonic
tissue.
Human
Bird
B. They are the most important sets of
bones.
C. They have no current use.
D. These animals do not share a common
ancestor.
Answer: its A
Explanation:
They have no current use, because they were passed down from a common ancestor, homologous structures are those that are comparable in related organisms, hence option C is correct.
What is homologous structures?The descendants of these structures may or may not carry out the same purpose. Tetrapods' four limbs are an illustration of homologous features. All four limbs are present in birds, bats, mice, and crocodiles.
Bony fish such as sharks do not. Tetrapods evolved four limbs, and their descendants have carried on this trait.
As a result, the presence of four limbs is a homology. The upper arm of both humans and cats consists of just one bone, which we refer to as the humerus, and two forearm bones, the radius on the more medial side and the ulna on the more lateral side.
Therefore, option C is correct.
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Trans fats are created when oil is changed to a solid by
what process?
Hydrogenation
Lipids
Carbohydrates
Phytochemicals
Why are coral reefs overexploited???
a. Coral is an important food resource.
b. Coral and its organisms are valuable commodities in the aquarium industry.
c. Coral reefs inhibit recreational activities.
d. All of the above
Answer: B. Coral and its organisms are valuable commodities in the aquarium industry.
Explanation: Good luck! :D
Answer:
B
Explanation:
Choose the statement that best describes a hypothesis.
Select one:
O a. A guess about something that might happen in an experiment.
O b. An educated guess about something that might happen in an experiment.
O c. A prediction about something that might happen in an experiment.
d. An explanation about something that might happen in an experiment.
Check
Answer:
B: An educated guess about something in an experiment.
Explanation:
A hypothesis is when you take information you already know and make an assumption to what you think will or won't happen.
15. There are 23 gamete cells in
Your answer:
Meisois
O Cytokineisis
Mitosis
Answer:
Mitosis
Explanation:
The term haploid can also refer to the number of chromosomes in egg or sperm cells, which are also called gametes. In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diploid cells.
4. Stage II in the diagram most correctly represents
A denatured enzyme
An inorganic catalyst
An enzyme-substrate complex
A vitamin
Stage II in the diagram most correctly represents an enzyme-substrate complex. Thus, the correct option for this question is C.
What are Enzymes?Enzymes may be defined as biocatalysts that significantly increase the rate of chemical reactions without themselves being consumed or changed in the overall process. Virtually, it is thought that all cellular reactions and processes are mediated by enzymes.
The structure represented by the purple color is the enzyme while the component of the red color is known as the substrate. So, in stage II, both enzyme and substrate significantly fit into one another like lock and key. So, this stage in the diagram most correctly represents an enzyme-substrate complex.
Therefore, the correct option for this question is C.
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describe some of the ways that non-specific immune responses are used to prevent infection and to speed up healing.
Answer:
read below
Explanation:
specific defence systemwhite blood cells can do 3 things = they engulf the microbe, produce antitoxins, produce antibodies to neutralise microbe
> all cells carry a small protein on their surface called antigens
> every cell has a different shaped antigen
> also meaning if lets say a virus mutates its antigen will change shape
so there are 2 types of antibodies that help fight pathogens together
1) lymphocytes : recognise antigen and make a complementary antibody to fit the antigen this will neutralise the pathogen ( basically seals the whole pathogen with antibody meaning it cannot reproduce or produce toxins if bacteria) and ALSO THEY MAKE THE PATHOGEN BIND TOGETHER so that the phagocyte can kill more pathogen at once
2) phagocytes : do not produce antibodies. and they identify the antigen and ingest and destroy the pathogen 70% of white blood cells are phagocytes
fighting diseasesphagocytosis = process of phagocytes destroying pathogenantitoxins producedantibodies producedmacrophages = specialised cell involved in destruction of pathogennon specific defence systemskin
tears
hydrochloric acid
mucus
cilia
22.what products of photosynthesis and reactants for respiration belong in the box to complete the cycle?
A -hormones
B -chlorophyll a and chlorophyll b
C -ATP AND ADP
D -glucose and oxygen
Answer:
Glucose and Oxygen hope that helps.
Explanation:
The box in this question is likely referring to the carbon cycle, which is a cycle of biochemical reactions that involve the transfer of carbon between different forms in the environment. The products of photosynthesis and reactants for respiration that belong in the box to complete the cycle are glucose and oxygen.
What is photosynthesis ?Photosynthesis is the process by which plants use energy from the sun to convert carbon dioxide and water into glucose and oxygen. This glucose is then used by the plant for energy, and the oxygen is released into the atmosphere.
During respiration, the glucose is broken down in the presence of oxygen to release energy, which is then used by the plant for its various functions. The end products of respiration are carbon dioxide and water. Chlorophyll a and chlorophyll b are both types of pigments found in plants that are essential for photosynthesis.
They absorb energy from the sun and help convert carbon dioxide and water into glucose and oxygen. Hormones, on the other hand, are molecules that are produced by the plant to regulate its growth and development.
They are not directly involved in the carbon cycle. Finally, ATP and ADP are molecules that are involved in the transfer of energy within a cell. They are not directly involved in the carbon cycle, but they are essential for respiration as they help to break down glucose and release energy.
In summary, the products of photosynthesis and reactants for respiration that belong in the box to complete the cycle are glucose and oxygen.
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Natural selection can occur as a result of...
o genetic variation in species
o asexual reproduction in species
o competition for unlimited resources
o the gradual warming of earth
Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Answer:
Genetic variation in species
Explanation:
Natural selection is based on the idea of differential survival and reproduction. Basically this means there are genetic differences between individuals and there are too many individuals in the population to survive. The ones with the best genetic variations will survive and pass their genes on to their offspring. This doesn't happen if all organisms in the population are identical - either they all die, or they all survive.
7. Create a story about the journey of a sedimentary rock that becomes a metamorphic rock, then an igneous rock, and then a sedimentary rock again.
HELPP!! I DON'T UNDERSTAND IT!! LOTS OF POINTS!! WILL REPORT IF RANDOM AND UR POINTS WILL BE TAKEN!! PLEASE HELPP I BEG OF YOu!!!
20. TEST LIKE PROBLEM (CHALLENGE) The light-colored, pale-camouflaged butterfly and the dark, brown-camouflaged butterfly are surviving very well in the Gwinnett forest. The medium, green-camouflaged butterfly is not having the same type of luck. The brown-camouflaged butterfly can blend into the brown trees. The pale-camouflaged butterfly can blend into the light yellow fall leaves. Over the years, the brown and pale butterflies have many, many babies. The green-camouflaged butterflies die off. What type of Natural Selection is taking place?
a Disruptive Selection
b Directional Selection
c Stabilizing Selection
d None of the above
21. TEST LIKE PROBLEM (CHALLENGE) Koala bears are beautiful animals that live in the hot sun of Australia. The koala bears with thick fur have problems surviving (they are too hot from the sun). The koala bears with light fur are having many babies. The koala bears with medium fur are also having problems because they are too hot. The medium fur koala bears are not having many babies. What type of Natural Selection is taking place?
a Disruptive Selection
b Directional Selection
c Stabilizing Selection
d None of the above
Meiosis occurs only in germ cells
True or False?
Answer:
False
Explanation:
Meiosis only occurs in reproductive cells, also known as sex cells.