Answer:
Explanation:
As Insects excrete uric acid and it require 1 gram of water for its excretion so it conserve water in this way
Answer:

Cell wall : Plant cells have a cellulosic cell wall, which is absent in the case of animal cells.
The plasma membrane serves as the outermost boundary for an animal cell.
Answer:
A
Explanation:
different types of cells use different amounts of energy
Answer:
A
Explanation:
It allows the cell to control what materials enter and leave.