Answer:
memory cells
Explanation:
to fight the reoccurrence of the invasion
Everything in an ecosystem serves to balance it. Predators help by balancing the preys' effect so they don't overpower the ecosystem. (Think of the excess amount of deer due to excess of hunting wolves)
The reactants required are
Cations and anions
Answer: i believe it is the ocean trench
Explanation:
During photosynthesis, plants take in light energy from the Sun, carbon dioxide from the air, and water through their roots. Oxygen is a product of <span>photosynthesis.</span>