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Answer :

Answer:

Broadly speaking, different species are unable to interbreed and produce healthy, fertile offspring due to barriers called mechanisms of reproductive isolation. These barriers can be split into two categories based on when they act: prezygotic and postzygotic.

Explanation:

BRAINLEIST PLZZZ

Answer:

A negative power source or a negative bond

Explanation:

when 2 organisms can't reproduce together is bc it's nonliving or has a negative bond