Matter can be recycled, but energy cannot. Also, only 10% of the energy is passed through each trophic level.
It wakes up the hormones in your body so you can reproduce in the first place, and it also helps to mature and prepare your body, and your cells, so it is able to reproduce. By waking up those hormones, your body is able to perform reproductive processes
Answer:
both types of cells have a cell membrane
Answer:
they act as barrier between inside and outside of body and protect the body from various viruses
Explanation:
