Question

What happened among land animals, birds and insects?​

Answer 1

Explanation:

Migration, in ethology, the regular, usually seasonal, movement of all or part of an animal population to and from a given area. Familiar migrants include many birds; hoofed animals, especially in East Africa and in the Arctic tundra; bats; whales and porpoises; seals; and fishes, such as salmon.

Most birds and insects are also considered terrestrial animals even though they can fly. Terra means land in Latin, and that's how the name “terrestrial” has come about.

Answer 2

Explanation:

It is found in all major animal groups, including birds, mammals, fish, reptiles, amphibians, insects, and crustaceans.

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