Common-dolphin Sentence Examples

What is overfishing? The term overfishing refers to the practice of catching so many fish that the ability of the fish population to sustain itself is in jeopardy. This can result from catching too many parent fish which prevents ample breeding from taking place. It can also result from just catching too many of the species until they are completely gone. Discover some real-world overfishing examples.

It may seem as though mammals like dolphins and whales are very different from lions and tigers. But they share many characteristics common only to the vertebrate class Mammalia. Some animals may share one or two of these characteristics of mammals, but unless they share most of them, they are not mammals. Keep reading to learn more about the similarities between all mammals.