Which group includes all of the other groups?

a. domain
b. order
c. family
d. genus
e. species


ANSWER: a

Biology & Microbiology

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A. phosphate B. carboxyl C. amino D. hydroxyl

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What percent of the known animals on Earth are invertebrates?

a. 15% b. 56% c. 89% d. 33% e. 97%

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Which of the following is NOT part of the body's first line of defense against microbial attack?

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Which of the folllowing describes Proteobacteria in domain Bacteria?

A. phylum B. class C. species D. genus

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