Tekton is a Greek word which means carpenter or builder. With regard to Earth, plate tectonics are what builds the Earth's formation, mountains, hills, and trenches.
What is Plate tectonics?Plate tectonics is generally accepted scientific theory which considers that the Earth's lithosphere comprises of a number of large tectonic plates which have been slowly moving since a long time about 3.4 billion years ago.
Tekton is a Greek word that means carpenter or builder. With regard to Earth and the word Tekton to Earth, the tectonic plates are what actually builds the Earth's forms, mountains, hills, and trenches, etc.
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What is the probability of rolling a 6, then a 5, then a 4?
23. During replication, the two DNA strands_________
and each chain serves as
a________
for a new nucleotide chain. The sites where DNA replication
and separation occur are called
The
_________.
Answer:
seperate
template
origin
During replication, the two DNA strands separates and each chain serves as a template for a new nucleotide chain. The sites where DNA replication and separation occur are called the origin.
What is DNA replication?DNA replication defines the biological process of making two identical copies of DNA from a single original DNA molecule. It occurs in all living organisms which acts as the most essential part for biological heritage.
During DNA replication, each of the two strands forming the double helix serves as a template from which the new strand is copied, while these new strands will be complementary to the parental or "old" strand. Each new double strand consists of a parent strand and a new daughter strand.
Steps involved in the DNA replication are:
1. Initiation
2. Elongation
3. Termination
Thus, during replication, the two DNA strands separates and each chain serves as a template for a new nucleotide chain. The sites where DNA replication and separation occur are called the origin.
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Where could humans be placed in the energy pyramid ?
Answer:
the top of the pyramid because they are the predators of some animals
Explanation:
1. Which of the following does not affect population?
O taxes
O immigration
O birthrate
Odeath rate
Taxes.
Immigration is the process of leaving one place. So it can't be.
Birth Rate is essentially more births happening. That effects population. Same as deatb rate.
Can someone plz help me on this plz
Explain how the activity simulates each of the following concepts as a process of natural selection (Variation, competition, struggle for survival, adaptation, environment, and selecting agent). Describe a specific example from this activity for each concept.
Examples of various concepts of the natural section are
Variation: Eye colour, body form, and disease resistance,
competition: Plants compete with each other for light exposure, temperature, humidity, pollinators, soil nutrients and growing space
struggle for survival: migration, hibernation, food collecting and storage, defensive actions, and child-rearing.
The term "natural selection" refers to the process through which populations of living organisms adapt and change. Because population members are naturally different, each member of a population is unique in some aspects. This variation demonstrates how some people are more likely than others to have characteristics that fit in with their environment.
More environment-adapted species typically survive and reproduce more frequently than less environment-adapted ones through a process called natural selection. For instance, tree frogs are occasionally eaten by birds and snakes.
Natural selection is the term for Charles Darwin's theory of evolution. Due to the scarcity of resources in nature, animals with heritable features that help in survival and reproduction frequently produce more offspring than their contemporaries, increasing the prevalence of such traits through successive generations.
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which process involves the movement of water through a cell membrane?
Answer:
osmosis
Explanation:
water moves across cell membrane by diffusion In a process known as osmosis .
PLease help I dont want any links
Answer:
recorded on a water bottle
What is the form of reproductive isolation in which two or more species reproduces at different times?
Answer:
Explanati
Temporal isolation
Temporal isolation happens when two or more species reproduce at different times.on:
Island Distance From Mainland (kilometers) Area (hectares)
A 50 1 x 102
B 50 1 x 106
C 500 1 x 102
D 1000 1 x 102
E 1000 1 x 106
Five islands, A, B, C, D, and E, differ only in distance from the mainland, area, and species diversity. Which island would be predicted to have the highest species diversity ?O AO BO CO DO E
Island B is the most likely to have the highest species diversity out of the five islands. The larger area and closer proximity to the mainland provide more opportunities for species to survive and thrive on island B.
This increases the potential for a greater diversity of species, making island B the best candidate for the island with the highest species diversity.The island with the highest species diversity will likely be island B due to its larger area and relatively close distance from the mainland.
Island B is located 50 kilometers from the mainland, while islands A, C, D, and E are located at 50, 500, 1000, and 1000 kilometers away, respectively. Furthermore, island B is 1 x 106 hectares in size, much larger than Islands A, C, and D, which are 1 x 102 hectares in size.
The larger area of island B provides more habitat for species to survive and thrive, while the closer distance from the mainland increases the chances of species dispersing to the island. As species are able to move more freely and find suitable habitat in island B, island B is likely to have a higher species diversity in comparison to Islands A, C, D, and E.
Habitat fragmentation can also impact species diversity, and the distance from the mainland may further influence species diversity by reducing the exchange of individuals between mainland and the island. Thus, island B has the highest potential for species diversity due to its larger area and closer distance from the mainland.
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What are the 4 evidences that support the theory of evolution?
Four types of evidence for evolution are listed as follows:
1. The evolution of older species as seen in the fossil record.
2. the shared chemistry and anatomy of related biological species.
3. the geographical distribution of species that are linked.
4. the genetic alterations that have been observed in living things over many generations.
Organisms undergo gradual change over long periods of time by descent with modification. This transformation results from the organism's adaptation to its changing surroundings, climatic circumstances, style of life, etc. We can support the theory of evolution with some evidence. The following are the primary examples that bolster the theory: The structure of an organism has changed with time and is no longer the same as it was in the past, according to fossil evidence. According to evidence from embryology, different species that are descended from the same evolutionary ancestor share structural characteristics. In all earthly living organisms, the evolution of their basic chemical compositions and anatomical structures is fundamentally the same. No matter how complex the creature, whether they are tiny single-celled protozoa or incredibly complex organisms with billions of cells, they all begin as single cells and reproduce themselves by similar division methods (click this button to hear the term before it is pronounced). They all have a limited lifespan, get old, and die. Another cue concerning earlier evolutionary processes comes from the regional natural distribution of closely related species. It is clear that isolated, vast land masses and groups of islands commonly established their own distinct plant and animal species.
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Proteins have all of the following properties except
1 enzymes
2signal molecules
3genetic material
4 transport
5 structural
Answer:
Option 3. Genetic material
Explanation:
Why is it important for a pregnant woman to know her Rhesus blood type, and the Rh blood type of the father of her baby?
Answer: One of the first tests a pregnant woman should expect is a blood-type test. This test checks her blood type and Rh factor. Her Rh factor may play a role in her baby's health, so it's important to know this information early in pregnancy.
Explanation: if you're Rh negative and your baby is Rh positive, your body might produce proteins called Rh antibodies after exposure to the baby's red blood cells. The antibodies produced aren't a problem during the first pregnancy. The concern is with your next pregnancy.
Match the following communication systems with their descriptions:
Please help!! I need the answer ASAP
Answer:
I think it's
7 - c
8 - a
9 - b
If this isn't correct please let me know so I can change it I am just trying to get you an answer.
How were the molecules moving in the morning explain why the molecules were moving that way after energy was transferred out of them?
Explanation:
Explain why the molecules were moving that way after energy was transferred out of them. The molecules were moving away from each other in the morning. The substance did not change phase because the energy did not overcome the attraction level of the gas in the tank.
A Chinook salmon fish in Alaska can produce up to 17,000 eggs in a single birth. Not all of these offspring can survive, however, due to predation and competition for limited resources, and the population of fish will evolve over time. Which process does this represent? A-adaptation, B-nutural selection or C- mutation
Answer:
Natural selection
What are 4 things habitats provide?
The four important things which a habitat provides an organism are shelter, food, water and space.
A habitat is basically the place or the environment in which a particular organism lives. A habitat consists of both the biotic as well as abiotic factors. An organism can survive in a particular area if all its basic needs are met and the habitat therefore offers the organism with everything that it needs in order to survive which include a range of conditions.
The habitat provides an organism food, water and sunlight which are required for energy as well as growth. It also allows the organism to live and thrive there and therefore it provides shelter.
It also gives an organism space. Every organism needs different amount of space and therefore their habitats are specific to them, For example, big animals live in the forests and smaller animals like moles can burrow holes in the ground and survive.
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What are the four main causes of mutations?
Mutations are brought on by environmental factors, often known as mutagens. Mutagens include things like radiation, chemicals, and pathogenic agents. Mutations can happen spontaneously in nature.
An organism's phenotype, or outward traits, may or may not be affected by a mutation. Among the good and bad biological processes that mutations participate in include evolution, cancer, and the maturation of the immune system, including junctional variation. All genetic diversity is the outcome of mutation, which also justifies the actions of evolutionary processes like natural selection. For an adaptive immune response to be successful, antigen-presenting cells (APCs), which are necessary for the smooth operation of both cytotoxic and helper T cells, must be present.
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You notice a new, beautiful aquatic plant growing in a local lake. This species has not been seen in the lake before. After doing some research, you believe the plant is a water hyacinth. These plants are not native to the lake and tend to grow in large quantities on the surface of the water. The plants grow and form dense areas of plant material, which blocks sunlight from passing through the plants.
Predict the effects of the introduced species on the community structure of the lake ecosystem.
Answer:
Sample Response: The structure of the lake ecosystem will likely become less diverse due to the introduction of the water hyacinth. Because the plants do not have any natural predators, they will grow in large quantities. These dense areas of growth will outcompete water plants that grow underneath the surface, causing them to die. Light would be blocked from reaching plants underneath the water hyacinth, decreasing native plants and algae below the surface. This could also have negative effects on the herbivores that feed on the native water plants, as they will not have as much food.
Explanation:
what app do you use for math?
How can we use patterns on the periodic table to predict an element’s structure and reactivity?
Answer:
The atomic number of an element which gives it valency.
From the valency, we get the ionic charge.
The greater the ionic charge, the greater the reactivity.
Haemotoxylin and eosin is a common staining technique used in microscopy. Which of the following are reasons why cells need to be stained prior to microscopy? [3 marks]
- Kill cells
- No cellular components are visible without staining
- Highlight metabolic processes
- Make all organelles homogeneous
- Highlight different cellular structures
- Differentiate between living and dead cells
The reasons why cells need to be stained prior to microscopy are:
No cellular components are visible without staining Highlight different cellular structures Differentiate between living and dead cellsStaining is a technique used in microscopy to make cells and other biological tissues visible under a microscope. Without staining, many cellular components are not visible because they are too small or transparent to be seen without some form of contrast. By applying a stain, such as haemotoxylin and eosin, to the tissue, it is possible to highlight specific structures or components within the cells, making them more visible under the microscope.
Staining can also be used to differentiate between different types of cells or tissues, or to highlight specific structures or processes within the cells. For example, different stains may be used to highlight different organelles or to visualize metabolic processes.
kill cells, is not a reason why cells need to be stained prior to microscopy.
highlight metabolic processes, is not an accurate description of staining.
make all organelles homogeneous, is not a reason why cells need to be stained prior to microscopy.
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Which of the following glands can be observed on the ventral surface of the sheep brain? View Available Hint(s) O Pineal gland O Olfactory bulb O Pituitary gland O Mammillary body
The ventral surface of the sheep brain contains several important glands, such as the pineal gland, the olfactory bulb, the pituitary gland, and the mammillary body.
The pineal gland, also known as the epiphysis cerebri, is a small endocrine gland that is located in the diencephalon, the middle part of the brain. The pineal gland produces the hormone melatonin, which helps to regulate the body's circadian rhythm, or internal clock. Melatonin helps to regulate the sleep-wake cycle, and its production is influenced by the amount of light that the body is exposed to.
The olfactory bulb, also known as the bulbus olfactorius, is a small structure located in the forebrain, the front part of the brain. The olfactory bulb is responsible for the sense of smell, and it receives input from the olfactory receptors located in the nose. The olfactory bulb is a key part of the olfactory system, which is responsible for detecting and identifying odors.
The pituitary gland, also known as the hypophysis, is a small endocrine gland that is located at the base of the brain, near the hypothalamus. The pituitary gland is considered the "master gland" of the body because it produces several hormones that regulate the activity of other endocrine glands, such as the thyroid and the adrenal glands.
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How does a green leaf appear in red light use what you know about reflection and absorption of light?
Green light reflection off of it and reaches our sight, we refer to it as a "green" leaf. Other light wavelengths are absorbed by that of the leaf and cease there.
A green leaf appears red in red light because it reflection red wavelengths of light and absorbs all other wavelengths. This is due to the presence of pigments in the leaf, such as chlorophyll, which selectively absorb certain wavelengths absorption of light for photosynthesis. The chlorophyll absorbs most of the other color light spectrum except for red light, which is reflection, making the leaf appear red. There won't be any light coming from the leaf if there isn't any absorption green light to reflect off of it. When we gaze at anything that is completely dark, we refer to it as "black." Only because of its surrounds and backdrop do we know reflection it is there.
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please help me with these questions fast!
Answer:
All answers are in the images
What happens if the Calvin cycle is inhibited?
Photosystem II cannot repair photodamage if the Calvin cycle is disturbed.
When the Calvin cycle enzymes' activity are impaired, photosynthetic organisms experience more Photosystem II photoinactivation (PSII). We investigated the chemical process generating this phenomenon in the single-celled green alga Chlamydomonas reinhardtii. When glycolaldehyde, which is known to block phosphoribulokinase, upset the Calvin cycle, the degree of photoinactivation of PSII increased. Glycolaldehyde's effects were strikingly similar to those of chloramphenicol, which blocks the start of protein synthesis in chloroplasts. A missense mutation was inserted into the ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) gene, which interrupted the Calvin cycle and enhanced PSII photoinactivation.
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What is the importance of Mendel's conclusion?
Mendel concluded that traits can be divided into overt and latent traits. He named these dominant and recessive traits respectively. Dominant traits are traits that are inherited unchanged by hybridization.
Mendel developed his three principles of heredity to explain the transmission of hereditary traits before anyone knew that genes existed. Mendel's laws of inheritance greatly expanded our understanding of heredity and led to the development of new experimental methods.
Mendel's conclusion:
Genetic determinants are unique in nature. These determinants are called genes. Each parent has a pair of genes in each cell for each trait tested. F1 from a cross between two pure strains contains one allele with a dominant phenotype and one allele with a recessive phenotype.
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Both the volume and the surface area for three different cells were measured. These values are listed in the following table. Using data from the table above, select the best explanation for why that cell will be able to eliminate waste most efficiently? Cell 2, since it has the highest ratio of surface area to volume, which facilitates the exchange of materials between a cell and its environment Cell 1, since it has the smallest volume and wilt not produce as much waste as the other cells. Cell 3, since it has the largest surface area, which will enable it to eliminate all of its wastes efficiently. Cell 3, because it is big enough to allow wastes to easily diffuse through the plasma membrane.
The cell 3 will have the ability to remove the waste highly efficiently and easily.
The best explanation for why a cell will be able to eliminate waste most efficiently is Cell 3, as it has the largest surface area, which will enable it to eliminate all of its wastes efficiently. Larger cells have a smaller surface-area-to-volume ratio than smaller cells, meaning that they have to rely on their larger surface area to facilitate the exchange of materials between a cell and its environment. As such, having a larger surface area will enable a cell to eliminate all of its wastes efficiently.
Cell 1 and cell 2 owing to there small surface area will not be that efficient at removing waste. So, for exchange of waste more surface is required in addition to having a good concentration difference between inside and outside of the cell.
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Animals are divided into two groups; vertebrates and invertebrates. Animal classification is a matter of sorting out similarities and differences. This sorting process enables scientists to describe characteristics through the various levels of animal groups and subgroups. Among the most basic criteria by which animals are sorted is whether or not they possess a backbone. This single trait places an animal into one of two groups: the vertebrates (with backbone) or the invertebrates (without backbone). This represents a fundamental division among all animals.
What internal structure identifies an organism as an invertebrate?
Answer:
Maybe exoskeleton?
How do you introduce energy conservation?
Energy cannot be created or destroyed; it can only be changed from one form to another, according to the rule of conservation of energy.
An isolated system's total energy is constant over time in accordance with the rule of conservation of energy. The law of energy conservation applies to all kinds of energy.
Most importantly, energy conservation can be accomplished by either using less energy or by using fewer services. First of all, conserving energy is crucial for preserving non-renewable energy sources. Additionally, the regeneration process for non-renewable energy sources takes centuries.
In the planning and construction of buildings, energy conservation is crucial. Since the 1970s, its prominence has grown. Concern about the implications of climate change has recently energy conservation is crucial, as concern over climate change and global warming has highlighted.
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the heart of the crocodile is made of _________ Chambers
the heart of the crocodile is made of four chambers
Explanation:
The heart of a crocodile is different from other reptiles in that it has four chambers just like birds and mammals
Answer:
the heart of the crocodile is made of four Chambers.