Ostriches and gazelles feed next to each other. They both look for predators. Their ability to see is different, so the gazelle may see a predator that the ostrich may not. The ostrich may see a predator that the gazelle may not.

What type of symbiotic relationship do they have?

A. parasitism

B. mutualism

C. commensalism

question 2

A dog may take in some tapeworm eggs as it eats food in the wild. Tapeworms hook onto the dog's intestines and absorb valuable nutrients.

What type of symbiotic relationship do the tapeworms and the dog have?

A. mutualism

B. commensalism

C. parasitsm