Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
Answer:
Electron transport chain and chemiosmosis/ oxidative phosphorylation
A Kingdom. There's an animal and a plant Kingdom.
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. ... Some animals ues intracellular digestion, where food is taken into cells by phagocytosis with digestive enzymes being secreted into the phagocytic vesicles.
D: The reactions take place in the thylakoid of the chloroplast.
