Answer:
A. It allows two populations to evolve separately.
Explanation:
Geographic isolation is theorized to have catalyzed the formation of new species. Let’s say groups A and B of a bird species get separated by something, and they can’t cross between to interbreed or exchange alleles.
We describe this as no gene flow, which is the opposite of choices C and D. Because of this, they may diverge if given enough time due to the difference in environmental pressures, because they’re now in different environments.
B is incorrect because it doesn’t apply.
A contractile vacuole works just the same as the name suggests, in that it expands and contracts. The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure. It occurs in freshwater protists, but mainly in the kingdom Protista as a whole.
Hox genes are also called Homeotic genes. In which they act as dictators on specific areas of an organism's body on when or where it should be developed. When these genes are overactivated or inactivated it may cause genetic disorders.
Answer:
The Answer is C
Explanation:
When scientists breed cows to produce more milk, this has not occured naturally and thus is not natural selection.
Explanation:
I think that if you use different methods that result in the same outcome <em>you </em><em>will </em><em>have </em><em>more </em><em>chances </em><em>of </em><em>getting </em><em>the </em><em>required </em><em>res</em><em>u</em><em>l</em><em>t</em><em>.</em><em> </em><em>This </em><em>is </em><em>because </em><em>you </em><em>don't </em><em>know </em><em>whether </em><em>one</em><em> </em><em>of </em><em>your </em><em>methods</em><em> </em><em>might </em><em>work </em><em>or </em><em>not</em><em>, </em><em>so</em><em> </em><em>having </em><em>many </em><em>of </em><em>them </em><em>help </em><em>you. </em>
Not sure if I'm correct or not but I hope this helps
