Name: Chapter 6: Bacteria & Viruses Choose the Answer. Circle the answer that correctly completes each sentence. 1. (Bacteria) Flagella) can cause diseases. 2. A fprokaryote, eukaryote) is an organism that does not have a nucleus. 3. Most bacteria have just one strand of (DNA, cocci) surrounded by cytoplasm. 4. A (host, virus) can be shaped like a polyhedron, sphere, cylinder, or spacecraft. 5. Viruses (can, cannot) reproduce on their own. Fill in the Blank. Use the words in the word bank to complete the sentences. bacteria heat-lovers methane-makers salt-lovers mouth 6. Good bacteria are found in your and digestive system. 7. such as E. coli and Salmonella can make people sick and may even be deadly. 8. live in swamps and animal intestines. 9. live in salty environments like the Dead Sea. 10. live in extreme heat like underwater vents, geysers, and springs.

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Microbial Taxonomy

Taxonomy is the science of naming, classifying, and describing organisms. The taxonomy will include all the plants, microorganisms, and animals on this planet. Carl Linnaeus coined the taxonomy term. He is known as the father of taxonomy. Microbial taxonomy is a criterion of grouping microorganisms into groups based on their similarities and past relatedness. Microorganisms belonging to the same group are differentiated from the others via grouping into categories. This differentiation makes the study of microorganisms easy. There are different types of microbial taxonomies like Numerical and Molecular taxonomy. The study of microorganisms is known as microbiology. Microbiology is a broad term that takes into account microbial cultures, taxonomic studies, evolutionary relationships. Microbial interaction and diversity are huge data that needs to be compiled under the subject of microbiology. Microbiology covers various organisms like bacteria, fungi, algae, plants, animals, etc.