Question

What is the difference between direct and indirect development?​

Answer 1

☯ AnSwEr :

↪ Direct Developmemt :

• It is a type of development in which an embryo develops into a mature individual a larval stage.

• There is no intermediate stage.

• Young one may resemble the adults in direct development.

• Metamorphosis is absent.

• Example : Hydra, Human beings etc.

$\rule{200}{2}$

↪Indirect Development :

• It us a type of development that involves a sexually immature larval stage.

• There is Intermediate stages.

• In this young hatchlings do not resemble the adult.

• Metamorphosis is seen in indirect developmemt.

• Example : Frog, cockroach etc.

Answer 2

Answer:

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

Explanation:

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.