If there is an environmental or selective pressure it will contribute to the evolution of an organism by giving an adnantage to the organisms of a population who have a trait which allows them to survive that change. The advantageous genes will be passed on and the number of organisms with the desirable feature will increase over time, however the number of organisms that lack the characteristic will decrease over time. This is evolution by natural selection.
I think the correct answer from the choices listed above is option A. The <span>geographic feature that is responsible for helping bring humans and dogs to North America would be the </span><span> Bering Sea land bridge. Hope this answers the question. Have a nice day.</span>
Answer:
22
Explanation:
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Potassium-41 is composed of 19 protons, 22 neutrons, and 19 electrons.
