Photosynthesis mostly takes place in the palisade mesophyll
The answer is diversification. The populace segment of an animal varieties' specialty relates to the conveyance of people crosswise over situations inside an area. As developmental clades of species expand, they apparently fill specialty space, and, thus, the rate of increment in species numbers moderates.
Artificial selection, also selective breeding occurs when humans breed individuals that have specific characteristics that they want to manipulate.
you can put a needle through it and it won't break.