NUTRITION
DIGESTIVE SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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algae
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bacteria
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protozoa
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virus
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Detailed explanation-1: -Bacteria are tiny, single-celled organisms that get nutrients from their environments. Some bacteria are good for our bodies-they help keep the digestive system in working order and keep harmful bacteria from moving in.
Detailed explanation-2: -The main types of bacteria in the colon are obligate anaerobes, and the most abundant bacteria are members of the genus Bacteroides, anaerobic gram-positive cocci, such as Peptostreptococcus sp., Eubacterium sp., Lactobacillus sp., and Clostridium sp.
Detailed explanation-3: -Microorganisms can be unicellular (single cell), multicellular (cell colony), or acellular (lacking cells). They include bacteria, archaea, fungi, protozoa, algae, and viruses. Bacteria are single celled microbes that lack a nucleus.