Aquatic animals that rely on external fertilization for reproduction have a low probability of successful fertilization. Which of the following is a mechanism used to increase the liklihood of successful external fertilization?
A. courtship rituals to synchronize male/female gamete release
B. depositing sperm into the female reproductive tract
C. production of extremely large number of gametes that are released simultaneously
D. containment of sperm within spermatophores
Ans:
A. courtship rituals to synchronize male/female gamete release
C. production of extremely large number of gametes that are released simultaneously
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What will be an ideal response?