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