Land animals are more likely to undergo fertilization outside their bodies because gametes require dry environments in order to fuse and develop.

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Land animals are more likely to undergo INTERNAL fertilization because their gametes require moist environments in order to fuse and develop. External fertilization (fertilization outside the body) is typical for aquatic animals where the sperm and egg can come into contact in the water.

Land Animals Are More Likely to Undergo Fertilization Outside Their