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SAT® Subject Test in Biology

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Whales and Barnacles Interaction

SATBIO-YP1EXV

Various relationships exist between the species of a community. Identify the relationship between the species of a community described.

Barnacles attach to a whale's skin. The moving water carries food particles to the barnacles while the whale is neither harmed nor helped.

A

Mutualism

B

Commensalism

C

Predation

D

Competition

E

Parasitism