In order for evolution to occur, there must be A. Oa change in the temperature of the environment
B. change in migration patterns within a population
C. variation inthe gene pool of a population
D. a catastrophic event that occurs in the ecosystem

Asolution containing hci would likely have

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.