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Question: What is the difference between direct and indirect development?

Answer:

Direct development

Indirect development

It is a type of development in which an embryo develops into a mature individual without involving a larval stage.

1.

It is a type of development that involves a sexually-immature larval stage, having different food requirements than adults.

Metamorphosis is absent.

2.

Metamorphosis involving development of larva to a sexually-mature adult is present.

It occurs in fishes, reptiles, birds, and mammals.

3.

It occurs in most of the invertebrates and amphibians.

 


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