Q.What is meant by 'ovoviviparous'? Name one chondrichthyan that shows this mode of reproduction.

Step 1. In Chondrichthyes, fertilisation is internal, and in many species the fertilised egg is not laid but retained within the body.

Step 2. The egg then develops and hatches while still inside the mother, who subsequently gives birth to fully formed young — this mode is called ovoviviparous, distinct from truly viviparous development where nutrition passes from mother to embryo via a placenta. …

Recall the definition of ovoviviparous development and one na …

• Confusing ovoviviparous with viviparous — in ovoviviparous development the young are nourished by the egg's own yolk, not by a placental connection to the mother. …