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Production possibilities are the
Mating Signals
Behavioral, physical, or chemical signals used by animals to attract or communicate with potential mates.
Courtship
A period during which individuals of many species perform specific behaviors to attract mates.
Gametic Isolation
A prezygotic reproductive barrier where gametes (egg and sperm) from different species are unable to fuse and form a viable zygote.
Mechanical Isolation
A form of reproductive isolation where differences in the size, shape, or incompatible genitalia prevent mating between species.
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