A) Running birds
B) Whales
C) Bats
D) Both (a) and (b)
Correct Answer: D
Solution :
All fishes are oviparous but whale and bats belong to class-Mammalia of phylum- Vertebrata. The members are viviparous in nature. Running birds have lost their ability to fly. Wings are reduced or absent. There is no syrinx. Male has copulatory organ and lucubrate eggs. Aves are oviparous in nature.
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