No, predators do not only kill the old and sick prey. They will go after any of the prey, including the strong ones and the children. The reason they often go after the old and sick prey is because they're easier to pick off, whether they are on their own or in a pack. Predators will go after any one of the members of their prey, but prefer the old and/or sick as it requires less energy.
Come into existence and develop
It provides the energy for photosynthesis due to the fact the plant needs to have energy to make food
Answer:
no the cell are not replication mitosis as 800000 cell die and reproduce each second
