metamorphosis
A biological process in which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's form or structure. Examples include the change from tadpole to frog, and the change from larva to adult. An example of this is found in Drosophila melanogaster.
GO:0007275
multicellular organism development
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GO:0160108
animal gross anatomical part developmental process
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