Answer:
B Physical separation of populations prevents interbreeding and mixing of gene pools.
Explanation:
Geographic isolation means two populations are unable to reproduce with one another. This means that over time, the variation in the gene pool will be different for one group compared to the other, and the species will genetically diverge from one another. resulting in speciation.
<span>1. a magazine article exaggerating the publics extreme reaction to a celebrity
2. a funny political cartoon exposing the flaws in a new government policy
3. an ironic short story that draws attention to how unmotivated people can be</span>
Answer:Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned fish of the vertebrate class Sarcopterygii. Species within the genus Ichthyostega (members of the Labyrinthodontia subclass) are considered by some scientists to be the earliest amphibians.
Explanation:
1.
the Changes of the Human Bodies
2. Shapes Different Careers
3. Provides Answers to Large-scale Problems
4. Teaches Concepts on Basic Living
5. Helps in Answering the Fundamental Questions About Life
6. Have another for (good luck) Paves Way for Scientific Investigations