On Island chains like the one shown below animal populations that spread from the main island to the other side can evolve into separate species what type of isolation is this called? A Reproductive isolation
B Geographic isolation
C Natural selection isolation
D punctuated equilibrium isolation

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a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

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.