Microscopic, shrimplike animals that have a hard exoskeleton that can be either herbivorous, carnivorous, or parasitic are called ________.
A) radiolarians
B) foraminifers
C) copepods
D) cnidarians
E) fishes
Question 2
Nekton are restricted to particular ocean areas by ________.
A) availability of food
B) differences in water pressure with depth
C) changes in salinity
D) temperature variations with latitude and depth
E) All of the above conditions may restrict the distribution of nekton.