Bacteria are the smallest known living things with a cellular structure. These colorless, one-celled micro-organisms exist (1) ______ organic matter is found: in soil, in water and in the air. Since most of them have no chlorophyll, they cannot use light energy to synthesize their food, (2) ________ green plants do. They must get their food in other ways. In this, bacteria resemble animals. However, since/as they are enclosed in a cell wall, they can only (3) _______ dissolved food like plants ...
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07/09 15:28:37 (Tiếng Anh - Lớp 12) |
Bacteria are the smallest known living things with a cellular structure. These colorless, one-celled micro-organisms exist (1) ______ organic matter is found: in soil, in water and in the air. Since most of them have no chlorophyll, they cannot use light energy to synthesize their food, (2) ________ green plants do. They must get their food in other ways. In this, bacteria resemble animals. However, since/as they are enclosed in a cell wall, they can only (3) _______ dissolved food like plants do.
Although most bacteria do not contain chlorophyll, some of them can make their own organic food from simple inorganic (4)________. They do not, however, use light energy for this purpose. Others get ready-made food from dead plants and animals. Still others are parasites. Parasites are (5)______ to enter other living organisms and take food from them. In doing so, they often cause diseases or the death of their hosts.
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These colorless, one-celled micro-organisms exist (1) ______ organic matter is found: in soil, in water and in the air. Lựa chọn một trả lời để xem Đáp án chính xác Báo sai đáp án hoặc câu hỏi |
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