Which of these species is the least competitively dominant?

A. black pine

B. gooseneck barnacle

C. mussel

D. acorn barnacle

The correct option is B

A specie is said to be competitively dominant if it is more in number than any other specie in a particular ecosystem. The dominance of a competitively dominant specie is affected by many factors and these factors can either increase or decrease the dominance. Goose barnacle are filter feeding crustaceans, that are normally found in the ocean inter tidal zone. They are usually more in number than all the other species given in the options.