Physical anthropologists view how humans come to be the way they are as the result of: a. their genes; their environment has very little effect. b. their environment; their genes have very little effect. c. their biological makeup. d. both evolutionary history and their own individual life histories.

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succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: