Question

Select the set of incorrect statements.
I. The circulatory system in Platyhelminthes has a single opening.
II. Annelids are the first animals to have true coelom and metamerism (true segmentation).
III. The space between the hump and the mantle is called the mantle cavity in which gills are present.
IV. Most of the echinoderms are bisexual.

Answer 1

ll is incorrect because it can be hump