Question

write 3 points of each..​

Answer 1

Explanation:

HOLA!

IF ANY FOOD keep outside then bacteria will attack the food.

Bacteria will affect wounds on your body.

Viruses will spread the diseases.

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# Astro

Answer 2

1. Bacterial cells do not have a nucleus, and most have no organelles with membranes around them. Most have a cell wall. They do have DNA, and their biochemistry is basically the same as other living things. They are amongst the simplest and the oldest organisms.

2.Protozoa are small (but not simple) organisms. They are single-celled heterotrophic eukaryotes, which eat bacteria and other food sources. ... Many protozoan species are symbionts, some are parasites, and some are predators of soil bacteria and algae. About 30,000 protozoan species are known.

3. Viruses consist of nucleic acid and a protein coat. Usually the nucleic acid is RNA; sometimes it is DNA. Viruses are able to cause many types of diseases, such as polio, ebola and hepatitis. Virology is the study of viruses.

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