What is the term for a feature that allows an organism to survive better in its environment? *?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Which law represents a balanced chemical equation?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of