Choice of diet profoundly affects human health. only two common lifestyle habits are more influential than diet: and

Wich organism obtains its energy from dead or decaying matter

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

What is the term for a water wave that is created by an underwater earthquake?