Search Results for: Echinoderms simply prepared
relatively abrupt developmental change in the internal and external morphology of an animal after the embryonic stage, accompanied by changes in physiology (body functions) and usually (but not always) striking changes in behavior or habitat. some insects , amphibians , mollusks , crustaceans , echinoderms
butterfly involves first a segmented, worm-like larva (caterpillar), then an immobile pupal stage, and finally the winged adult emerges. likewise, a tadpole, with gills, a fish-like tail, and no legs, metamorphosizes into an adult, airbreathing, legged, and tailless frog . while some crustaceans simply...
https://www.newworldencyclopedia.org/entry/Metamorphosis