What is the term that defines when the sperm of one species fails to fertilize the egg of a different species?

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Quizplus · Accepted Answer

Gametic incompatibility refers to the inability of sperm from one species to fertilize eggs of another species, which can be due to differences in the molecular recognition proteins on the sperm and egg surfaces, or differences in the pH or other conditions required for fertilization. Hybrid inviability refers to cases where hybrid offspring are produced but have reduced survival or fitness, mechanical incompatibility refers to cases where the reproductive structures of two species are physically unable to fit together, and temporal incompatibility refers to cases where differences in the timing of reproductive behavior or development prevent successful mating or fertilization.

What Is the Term That Defines When the Sperm of One