Explanation:
☆ Large population size
☆ No immigration / emigration
☆ No mutations arising
☆ No natural selection
Hope this helps :)
1) The troposphere<span> is the first layer above the surface and contains half of the Earth's atmosphere. </span>Weather<span> occurs in this layer. </span>
<span>
2) Many jet aircrafts fly in the </span>stratosphere<span> because it is very stable. Also, the ozone layer absorbs harmful rays from the Sun.</span>
<span>
3) Meteors or rock fragments burn up in the </span>mesosphere.
<span>
4) The </span>thermosphere<span> is a layer with auroras. It is also where the space shuttle orbits. </span>
<span>
5) The atmosphere merges into space in the extremely thin </span>exosphere<span>. This is the upper limit of our atmosphere.</span>
<span>B. examine and describe cells.
A microscope is an instrument that is used to see objects, like cells, that are cannot be seen by the naked eye.
</span>
they use natural selection because they got separated from their kind and have to make new living also they need to adapt to the environment
The eggs comes first every chicken is made out of an egg