They do that method because the chemicals, water, or whatever is good for the plants. It is not good for us but good for them. It is sad, it really is. Or it can aslo be becayse it is a cheaper option.
(PLEASE DONT QUOTE ME ON THIS I AM NOT SURE.)
Dehydration because animals can only live so long with water
A sperm cell and an egg cell fuse to form a zygote.
Answer:
Absorbed oxygen from the soil
Stem Cell
Produce new plant cell
Move water to leaves
I don't know number 5
the stigma, style and ovary
the anter qnd filament produces pollen(the last one)
