Which best describes energy? A. Once energy is used, all living organisms must make more. B. Energy can only change forms. C. Energy can only be transferred. D. Energy can change forms and be transferred.

A gene for the MN blood group has codominant alleles M and N. If both children are of blood type M, which of the following is possible? Both children are heterozygous for this gene. Each parent must be type M. Each parent is either M or MN.

Which is part of the biosphere? A. humans B. stratosphere C. volcanoes D. oceans

Briefly define natural selection in your own words.

What is a Venus Flytrap's environment and how does it get energy and nutrients?

Explain the role that stress can play on the development of disease. Describe at least three strategies or interventions a person could employ to control stress

Why do clouds tend to form around 3:00 P. M. and 6:00 A. M.?

How does darwin's theory of evolution by natural selection explain why some organisms become extinct?

Definition of control group

What insights did Darwin's voyage provide?

Which fossil would look most like an ancient organism? * trace cast mold?