The primary difference natural and artificial selection is: O In natural selection, the selection "pressure" comes from the environment; in
artificial selection the pressure" comes from humans.
In artificial selection, the selection “pressure" comes from the environment; in
natural selection the "pressure" comes from humans.
Natural selection is when humans breed the animal; artificial selection is when
humans edit genes directly.
They are different terms for the same concept.

Lo enviaré, hice el trabajo en mi cuaderno de bocetos para su bandeja de entrada y le daré el trabajo si lo entiende

Explanation:

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.