The phylum Annelida is made up of segmented worms such as earthworms . Segmented worms are divided into many repeating segments. There are roughly 15,000 species of annelids.
CK-12 (High School)
What characteristics developed in annelids?
RST.1 - Analysis & Evidence, RST.2 - Main Ideas
DEPTH OF KNOWLEDGE (DOK) LEVELS:
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