Differentiate between: Direct development and indirect development.

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Direct developmentIndirect development
$(1)$ In this type of development,there are no larval,nymphal,or other intermediate stages in the life cycle between the egg (or birth) and the adult.$(1)$ In this type of development,the organism passes through one or more larval or nymphal stages before reaching the adult form.
$(2)$ Example: Mammals,birds,and reptiles.$(2)$ Example: Echinoderms,many insects (arthropods),and amphibians.

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