4-Zoology-Kinds-Deuterostomes-Hemichordata

acorn worm

Worms {acorn worm}| (Enteropneusta) can live at ocean bottom, have proboscis attached to collar at cylindrical body top, and eat organic matter. Hemichordata ancestors and Echinodermata and Pterobranchia ancestors split. Chordata ancestors and Hemichordata ancestors split.

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Date Modified: 2022.0225