False,
Reason -
As per the researchers, the various land uses created by man has led to reduction in the diversification of species. As per a study conducted by Stock A. Jhonson, the biodiversity of a local area has reduced by a factor of 14 percent due to varied land use practices. Also the abundance of an organism has also reduced by a factor of 11 percent.
In order to increase the rate of diffusion of materials in and out of the cell, the following modification can be done to the cell:
1. the shape of the cell can be changed to one that has high surface area to volume ration, for example sphere.
2.The cell can also divide into two in order to increase the surface area to volume ratio.
Answer:
Plant cell has cell wall but animal cell dont.
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. ... Animal cells simply have a cell membrane, but no cell wall.
Try a bat for a ecosystems
