Question

Direct development is found in

• A. Osteichthyes, reptiles, aves and mammals
• B. Cyclostomes, amphibians, hemichordates and echinoderms
• C. Aschelminthes, arthropods, molluscs and platyhelminthes
• D. Both $A$ and $C$

Answer 1

Answer: (A)

Direct development is found in osteichthyes, reptiles, aves and mammals