Question

Why do frogs lay large number of eggs

Answer 1

Amphibians generally lay large number of eggs. Often, many adults lay eggs in the same place at the same time. This helps to ensure that eggs will be fertilized and at least some of the embryos will survive.

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Answer 2

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The frogs reproduce by laying eggs in a slow stream or ponds.

The fertilization is external.

There are several factors which may hinder the fertilization process such as exposing to water movement, rainfall, winds and other animals.

So they lay eggs in large numbers to ensure the survival of at least few.