Release of large numbers of eggs into the water column is an adaptation to cope with which of the following adverse conditions of the rocky intertidal zone?
A) Difficulty finding mates
B) Drying out during low tide
C) Lack of space or attachment sites
D) Predators
E) Strong wave activity
Question 2
Which of the following are single-celled, microscopic protozoans that build their hard shells out of silica?
A) Coccolithophores
B) Copepods
C) Ctenophores
D) Foraminifers
E) Radiolarians
