Bacteria Helpful Bacteria 1 Helpful Bacteria Most bacteria are harmless to humans, in fact some are vary useful. Bacteria ... Aid our digestive system. Provide drugs and…

Honors Biology CH. 24 p. 634-647 CH. 25 p. 652-659, 663-668, 673-677 Ecology Ecology Ecology is the study of organisms within their environment. Matter cycles Energy flows…

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Bacteria Helpful Bacteria 1 Helpful Bacteria Most bacteria are harmless to humans, in fact some are vary useful. Bacteria ... Aid our digestive system. Provide drugs and…

Honors Biology CH. 24 p. 634-647 CH. 25 p. 652-659, 663-668, 673-677 Ecology Ecology Ecology is the study of organisms within their environment. Matter cycles Energy flows…