SELECT * FROM question_mgmt as q WHERE id=233 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=7 AND chapterId=6 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th biology Animal Kingdom what is the difference between direct and indirect

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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