Two closely related birds sing slightly different songs to attract a mate. If the song is not right, the mate won't be attracted. These birds likely
remain as separate species due to
O reduced hybrid viability.
O behavioral isolation.
geographic isolation.
O
O temporal isolation.

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explanation:

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the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: