Question

Why fish and frogs lay egg in hundreds,while hen lay only one egg at a time.NO SPAM ANSWERS PLEASE

Answer 1

Fish and frogs lay hundreds of eggs at OBE time because they wait for a long time. And then they lay eggs

Answer 2

fishes and frogs are hospitable to the water and they have a weak covering on their eggs
also as the eggs are smaller in size, they occupy the uterus of mother fish or frog