Fill in the table “Main ecological groups of mammals by habitat”.
| October 30, 2020 | Education
| Environmental group name | Structural features | Representatives |
| Terrestrial | Animals in open spaces are generally capable of fast running or jumping. These include, for example, all ungulates. They do not build any dwellings and give birth to cubs ready to follow their parents. | Elk, cow, tiger, goat |
| Underground | Have a short neck lack of auricles; eyes are small, can be hidden under the skin; compact body. | Blind, mole |
| Flying | The forelimbs are represented by the likeness of wings, between the toes there is a membrane | The bats |
| Aquatic | The limbs are modified into fins or flippers | Whales, walruses |
| Woody | Tenacious claws, tail, grasping limbs; in flying squirrels and woolly wings, a leathery membrane between the fore and hind limbs | Koalas, sloths |
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.