What is the difference between direct and indirect development?

Direct development:-
1. It is a type of development in which an embryo develops into a mature individual without involving a larval stage.
2. Metamorphosis is absent.
3. It occurs in fishes, reptiles, birds, and mammals.

Indirect development-
1. It is a type of development that involves a sexually-immature larval stage, having different food requirements than adults.
2. Metamorphosis involving development of larva to a sexually mature adult is present.
3. It occurs in most of the invertebrates and amphibians.

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