Cellular reproduction in a plant is asexual, the cell makes a copy of itself. I think the process is called Mitosis.
D Energy input from the environment is stored in food molecules
during photosynthesis.
its correct.
Cellulose is found in the cell walls of plant cells. It is permable so any substance disolveabls in water can pass through so it dose not act as a barrier. It gives the cell its strength and support. As water moves in to the cell by osmosis it stops the cell from bursting.
Im like 98% sure its B because ultra sounds hear the frequency's of the baby in the womb