When hermit crabs crawl across the ocean floor, they often have sea anemones attached to their backs. The anemones use their dangerous tentacles to keep hermit crab predators at bay, and they dine on the particles of food that the crab does not eat. This is an example of
A) bioremediation.
B) alternation of generations.
C) symbiosis.
D) endosymbiosis.

Question

Quizplus · Accepted Answer

This is an example of symbiosis, a relationship between two different species in which both benefit from the association. In this case, the hermit crabs are protected by the sea anemones, and the sea anemones receive food particles from the hermit crabs.

When Hermit Crabs Crawl Across the Ocean Floor, They Often