Profound change in body structure during the postembryonic development of an organism
This article is about the biological process. For the Franz Kafka novella, see The Metamorphosis. For other uses, see Metamorphosis (disambiguation).
Metamorphosis is a biological process by which an animal physically develops including birth transformation or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation.[1] Some insects, jellyfish, fish, amphibians, mollusks, crustaceans, cnidarians, echinoderms, and tunicates undergo metamorphosis, which is often accompanied by a change of nutrition source or behavior.[2] Animals can be divided into species that undergo complete metamorphosis ("holometaboly"), incomplete metamorphosis ("hemimetaboly"), or no metamorphosis ("ametaboly").[3]
Generally organisms with a larval stage undergo metamorphosis, and during metamorphosis the organism loses larval characteristics. [4]
^Truman, James W. (2019-12-02). "The Evolution of Insect Metamorphosis". Current Biology. 29 (23): R1252–R1268. doi:10.1016/j.cub.2019.10.009. ISSN 0960-9822. PMID 31794762. S2CID 208541817.
^Hadfield, Michael G. (1 December 2000). "Why and how marine-invertebrate larvae metamorphose so fast". Seminars in Cell & Developmental Biology. 11 (6): 437–443. doi:10.1006/scdb.2000.0197. ISSN 1084-9521. PMID 11145872. Retrieved 7 March 2022.
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before metamorphosisMetamorphosis stage with deforming jaws, large eyes, and remains of gill pouch Young frog with a stumpy tail, metamorphosis nearly...
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behavioural adaptations to bypass this. The young generally undergo metamorphosis from larva with gills to an adult air-breathing form with lungs. Amphibians...
prepupal stage, and precedes adulthood (imago) in insects with complete metamorphosis. The pupa is a non-feeding, usually sessile stage, or highly active...
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