Mollusks and Echinoderms

Question 1

Which is a specialized feeding structure found in some mollusks?

Revolt · Accepted Answer

radula

Question 2

sea urchinssea cucumberssea starsbrittle stars

Revolt · Accepted Answer

sea urchins

Question 3

Which characteristic do sea cucumbers have that makes them different from sea urchins?

Revolt · Accepted Answer

tentacles for feeding

Question 4

Shana finds a mollusk on a damp log near a pond. The mollusk has a muscular foot and lacks a shell.

Revolt · Accepted Answer

a gastropod because it lives on land

Question 5

sea starssea urchinssnailsslugs

Revolt · Accepted Answer

sea stars

Question 6

Echinoderms display symmetry.

Question 7

Which structure found in echinoderms can sometimes perform a similar function as a radula found in some mollusks?

Revolt · Accepted Answer

stomach

Question 8

Sienna made a chart listing characteristics of two kinds of echinoderms.

Revolt · Accepted Answer

X: Sea UrchinsY: Brittle Stars

Question 9

A sea star is shown in the diagram.

Revolt · Accepted Answer

movement, capturing prey

Question 10

Which structure do slugs use to help them move?

Revolt · Accepted Answer

foot

Mollusks and Echinoderms Answers