Question

Which has no gills?
a)fish
d) dolphin
c)frog
d) octopus​

Answer 1

Answer:

d) dolphin

Explanation:

Dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads.

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Answer 2

Answer:

Explanation:

B. dolphin

dolphin because they come to surface of water to breathe.