Answer:
Energy flows through an ecosystem in only one direction. Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. ... Organisms need it for growth, locomotion, heating themselves, and reproduction.
Explanation:
It would be creep i hope this helped you.
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Sexual excitement, or attraction. <span />
It is important to understand because it's the way all cells reproduce (except sperm and egg cells, they do meiosis), and our cells are the essential parts of our whole being.