“Gene flow, also called , is any movement of from one to another. Gene flow includes lots of different kinds of events, such as being blown to a new destination or people moving to new cities or countries. If are carried to a population where those genes previously did not , can be a very important source of genetic . In the graphic on the website, the gene for coloration moves from one population to another.”

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

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only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.