Which of the following is not used to classify biomes? a. weather patterns b. continent c. dominant plant life d. geographical terrain

What would happen if the krill were removed from the food web

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

Nucleic acids offer variability because they contain alternate forms of genes called .