An ancient class of echinoderms whose members are suspension feeders with long, feathery arms is called:

a. Asteroidea.
b. Crinoidea.
c. Ophiuroidea.
d. Echinoidea.
e. Holothuroidea.


B

Biology & Microbiology

You might also like to view...

Mast cells are only found in the blood

Indicate whether this statement is true or false.

Biology & Microbiology

Why is it difficult to find intermediate fossils for organisms that have evolved under the punctuated equilibrium

model?

What will be an ideal response?

Biology & Microbiology

Which two producers will dominate a coniferous forest at the higher elevations?

a. Spruce and firs b. Spruce and pines c. Spruce and mosses d. Lichens and firs e. Firs and pines

Biology & Microbiology

A lion feeds only on mammals, so it would be said to be this

A) Carnivore B) Omnivore C) Herbivores D) Producers

Biology & Microbiology