In the image, two cookies are used to model tectonic plates. Which plate boundary does this model represent? A.) Convergent Boundary
C.) Transform boundary
D.) none of these
Answers
The correct answer is the divergent boundary.
A divergent boundary, in plate tectonics refers to a linear characteristic, which prevails amid the two tectonic plates that are moving away from each other. The Mid-Atlantic Ridge and the Great Rift Valley are the examples of divergent boundaries.
Iceland is an illustration of a country going through a continental divergent boundary. The Mid-Atlantic Ridge differentiates Iceland and is the boundary between the Eurasian and the North American tectonic plates.
Answer:I believe the answer is C. Transform plate boundary. Search up three of the names and see how they look and compare it to the picture up above.
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Which statement comparing examples of renewable and nonrenewable resources is true? A. Solar energy is a renewable resource because it can't be used up, but oil is a nonrenewable resource because it will eventually run out. B. Both solar energy and oil are renewable resources because they will never run out. C. Solar energy is a nonrenewable resource because it can't be used up, but oil is a renewable resource because it will eventually run out. D. Both solar energy and oil are nonrenewable resources because they will eventually run out.
effect.
B. Disruptive selection divides a population into two new species.
C. Selective breeding creates a new species of dog.
D. A mutation spreads rapidly through a small population.
Answers
The example of genetic drift is A. The allele frequency of a population changes due to a bottleneck effect.
What is a genetic drift ?
Genetic drift refers to random fluctuations in the frequency of alleles (variants of a gene) in a population over time. This can occur due to various factors, such as a reduction in population size or migration of individuals between populations.
The bottleneck effect is a type of genetic drift that occurs when a population experiences a sharp reduction in size, which can reduce the genetic diversity of the population. This can result in certain alleles becoming more common or being lost altogether, even if they were not necessarily more advantageous or disadvantageous for survival.
Disruptive selection (option B) and selective breeding (option C) are mechanisms of natural and artificial selection, respectively, and do not necessarily involve random fluctuations in allele frequencies.
Hence, A mutation spreading rapidly through a small population (option D) could be an example of genetic drift if it results in a change in allele frequency, but the fact that it spreads rapidly suggests that it may be under the influence of natural selection instead.
Learn more about genetic drift at :
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This is because genetic drift happens because of chances events such as founder effect of bottleneck effect
Answers
Answer:
Cenozoic era
Explanation:
The geological time scale consists of three eons: Archaean, Proterozoic and Phanerozoic. The Phanerozoic eon is divided into three era which are namely: Paleozoic, Mesozoic and Cenozoic era. Cenozoic era extends from “end-Cretaceous extinction” to the present day. It is dominated by mammals and is also called as the “age of mammals”.
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b. a disturbance that repeats over and over
c. a disturbance that kills keystone species
d.a disturbance that destroys soil
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Answer:
The correct answer is option B.
Explanation:
A disturbance is a short term change in environmental conditions that causes a noticeable alteration in an ecosystem. If this change repeats itself over and over it is characterized as Cyclic disturbance.
This change or disturbance takes place because of several disturbance forces and in the absence of these forces ecosystem tends to return to conditions as it was pre-disturbance conditions.
Thus, the correct answer is option B.
A disturbance that repeats over and over
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Answer: profundal and abyssal
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Many textbooks use what is called the folding test to find lines of symmetry of plane shapes. This tests says that when the folded part sits perfectly on top so that all the edges are matching, then the fold line is a line of symmetry. If we use this definition, then a diagonal is not a line of symmetry of a rectangle.