The Algae. Unless you want to get into the microorganisms that contribute to the algae's growth.
Natrual variations i think
Answer:
circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems.
Explanation:
hope it helps
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A forest fire would burn large trees, fertilizing the soil and makes room for smaller plants to grow, which provides more food for herbivores. The lack of trees also makes it easier for carnivores to hunt prey. Good luck in high school!