Which of the following species was the competitive dominant on the rocky shores of Washington State and which was preyed on most by Pisaster starfish?
A) Chitons
B) Mussels
C) Barnacles
D) Whelks
E) Bivalves

Question

Quizplus · Accepted Answer

Mussels were the competitive dominant on the rocky shores of Washington State and were also the species most preyed upon by Pisaster starfish. This predation is a classic example of keystone species influencing community structure, as demonstrated in studies by Robert Paine.

Which of the Following Species Was the Competitive Dominant on the Rocky