Presents an introduction to the sea creatures the depend on each other for survival, in simple text with illustrations, describing the relationship between such critters as a sponges, crabs, clownfish, sea anemone, and more.
Surveys some of the surprising relationships formed by animals in need of shelter, food, or protection, covering such examples as ostriches, zebras, and crocodiles.
Describes various examples of symbiosis, the elaborate give-and-take of food, shelter, and other essentials of life that goes on between different kinds of animals and plants.