annelids

2 articles

Metamerism in Biology: The Science of Body Segmentation

Metamerism in Biology: The Science of Body Segmentation In the study of biological organization, metamerism is the phenomenon where a body is composed of a linear series of segments that ...

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Spiralia: The Diverse Clade of Protostome Animals

Spiralia: The Diverse Clade of Protostome Animals The Spiralia represent a remarkably diverse group of protostome animals—organisms whose embryonic development is characterized by the mou...

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