Natural selection lead to different species when the squirrels were separated, some of them acquired traits better suited for their new environment. This allowed them to survive and reproduce better than others. Over time, each group evolved to display unique traits for their different environments until one species evolved into two.
Explanation:
The speciation in the squirrels due to the barrier in canyon occurred due to this. Such speciation is called allopatric speciation.
Speciation leads to formation of new species from the existing species due to change in their habitat or physical structure.
The squirrels on the two different side of canyon adapted to the habitat they are in. Their reproductive cycles, habitat and adaptation mode has become different due to the change in environment.
The species of squirrels became two as they reproduce and passed on the traits for survival in the environment which they had adapted.
The squirrels have become <em>reproductively isolated</em> also.
Genetic divergence takes place due to natural selection as squirrels arenow two different species.
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A natural resource that is extracted from the ground by its valuable mineral content, is called "ore." We have, for example, gold ore, lead ore and galena ore. These materials gain the "ore" next to the name, precisely because it has the economic potential in its extraction.
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The lining of the spinal cord is called the "Dura". Dura is a meninge which is the top layer of protective covering for both the brain and the spinal cord.
Answer:
LONG TERM ENERGY
Explanation:
carbs are broken down and turned into glucose which is the energy yur body needs
Answer:
RNA polymerase uses one of the DNA strands (the template strand) as a template to ... and death, because no new RNAs—and thus, no new proteins—can be made. ... During this process, the DNA sequence of a gene is copied into RNA. Before transcription can take place, the DNA double helix must unwind near the gene
Explanation:
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