First slide

Classification of Animals

Question

Planaria and Pheretima are

Easy

A

acoelomates.
B

segmented.
C

endoparasites.
D

free-living.

Solution

Planaria (Platyhelminthes) and Pheretima (Annelida) are free-living organisms (not parasites).
Pheretima exhibits metamerism, not Planaria.
Pheretima is a coelomate while Planaria is an acoelomate.

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