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Developing skills for the toefl ibt transcript part 6

Chia sẻ: Tran Anh Phuong | Ngày: | Loại File: PDF | Số trang:10

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Ecology is the study of the relationships between an organism and its environment. The "organism" is the plant or animal that we are observing. The "environment" refers to the organism's surroundings. For example, we might be studying a cactus plant in the desert.

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