<span>The question is asking "What is the main function of structural adaptations?" and the best answer is that A. They help the organism survive in its environment. Basically this is what drives the evolution the most - traces that help the organism survive in its environment are being promoted, and the offspring with those traces has the best chance for survival. </span>
Answer:
D
Explanation:
the smaller the population the less likely genetic drift is
<em>tHe energy that powers the water cycle comes from the energy of the sun as the sun evaporates water from the Oceans, lakes, rivers </em>
Hope this helped- have a good day bro cya)
Only known planet to have oceans of liquid water is Earth.
