If s plant cell is placed in a hypertonic solution the plant cells lose water and hence the rigidity pressure by plasmolysis pressure decreases to the point where the protoplasm of the cells peel away from the cell wall and it leaves gps between the cell wall and membrane making the plant cell flaccid.
D) all species in a natural community contribute to the community's integrity.
Hope this helps :)
Cellular respiration is an exothermic process. This is because the breaking of carbon-hydrogen covalent bonds within sugars releases energy
The most important factor that limits the size of a cell is the ability of the cell to transport materials efficiently into and out of the cell. In this case the size of a cell should have a particular form in order to export and import material.
The answer is C. Separate into ions