These layers are the troposphere, stratosphere, mesosphere and thermosphere.
Because if there are no plants the animals move , adapt, or die and if there are a lot of plants there tends to be a large ecosystem
Declaration of Independence
Impact craters are rare on the surface of the earth and plentiful on the moon its because our atmosphere burns up more meteoroids before they meet the surface. Another reason is that the surface of the earth is continually active and erases the marks of crater overtime. There are also many other large craters being found in Canada, Australia and Africa.
Answer:
<em>Herbivores,</em><em> </em><em>Carnivores </em><em>and </em><em>omnivores</em>