Answer:
The effect of an external physical factor on cell division is clearly seen in density-dependent inhibition, a phenomenon in which crowded cells stop dividing. ... When cells have formed a complete single layer, they stop dividing (density-dependent inhibition).
Explanation:
Ummm
You use your hands and eyes to prepare the sandwich.
And you use your mouth to eat the sandwich.
I hope this is the answer you were looking for.
Answer:
The two predators in the same area will cooperate.
Explanation:
Cooperation of the two predators sharing the same area is due to
- possible scarcity of prey
- harm that might befall both in the case of conflict. etc
A good example:
Two predators are humans and dogs
Prey: Rabbits
Already, dogs and humans share the same area, so they cooperate while dogs use their speed and good senses of smell, and humans rely on their clever killers instinct to find prey better.
I'll give you the first one: it's a reactant of respiration. if you want the other answers just dm me so its easier to communicate