Metamorphosis

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(Redirected from Metamorphosis (biology))

Metamorphosis is a biological process that involves a conspicuous and relatively abrupt change in the body structure through cell growth and differentiation. This process is most commonly observed in amphibians and insects, although other animal groups such as cnidarians, crustaceans, echinoderms, and tunicates also undergo metamorphosis.

Types of Metamorphosis

There are two main types of metamorphosis: complete and incomplete.

Complete Metamorphosis

Complete metamorphosis is characterized by four distinct stages: egg, larva, pupa, and adult. This type of metamorphosis is common in insects such as butterflies, beetles, flies, and bees.

Incomplete Metamorphosis

Incomplete metamorphosis involves three stages: egg, nymph, and adult. The nymph stage resembles a small adult and gradually develops into the adult form through a series of molts. This type of metamorphosis is common in insects such as grasshoppers, crickets, and cockroaches.

Role in Evolution

Metamorphosis plays a significant role in the evolution of species. It allows for greater specialization and adaptation to different environments, contributing to the survival and success of various species.

See Also

References


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Contributors: Prab R. Tumpati, MD