Locomotion and MovementHard
Question
Which are exclusively vivparous ?
Options
A.Bony fishes
B.Cartilagenous fishes
C.Sharks
D.Whales
Solution
Whales are exclusively viviparous.In viviparous animals (majority of mammals including human beings), The zygote develops into a young one inside the body of the female organism. After attainng a certain stage of growth, the young ones are delivered out of the body of the female organism.
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