Amphibians are not completely free to live on dry land because

a. Their ancestors were fish.

b. Their food lives exclusively in water.

c. Their reproduction depends on water

d. They obtain oxygen from water through gills

Answer: Option C

Explanation:

Amphibians are the animals that live on land and spend some part of their life cycle. These organism live on land and partially live inside water during the time of reproduction.

Amphibians lay eggs in water as their eggs are not hard shelled eggs. The females lay eggs in water known as larvae.

They are also known as tade pole that live in water and respire through gills but as they grow old they develop lungs to respire on land.

Hence, the correct answer is Option C