Answer:
Moving things in and out of the cell is an important role of the plasma membrane. It controls everything that enters and leaves the cell. There are two basic ways that substances can cross the plasma membrane: passive transport, which requires no energy; and active transport, which requires energy.
Answer:
predator is blue, prey is red
Explanation:
when the amount of predators increase, the blue line rises, the red line lowers. when there is more predators there is going to be a less amount of prey.
Food, shelter, water, are some things a squirrel will need to survive
The person who studies living things is called a biologist
