With evolution as the core theme of biology, we can explain traits shared by organisms as evidence of ________ and traits that differ among organisms as evidence of ________.

Fill in the blank(s) with the appropriate word(s).


Answer: descent from a common ancestor / adaptation through natural selection

Biology & Microbiology

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Over 380,000 species of angiosperms exist on Earth. Which of the following factors contributed to this diversity of flowering plants? Select all correct choices

A. pollination by different insects B. infections by different bacteria C. predation by different herbivores D. infections by different fungi

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Purines and pyrimidines are two classes of organic bases found in ____

a. sugars b. phosphates c. fats d. carbohydrates e. nucleic acids

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Which cause of habitat destruction is fastest-growing and most destructive?

A. Conversion to agriculture B. Urbanization C. Mining and quarrying D. Dams E. Deforestation F. Draining wetlands

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The type of diabetes that causes the body to destroy its own insulin-producing cells is:

A) Specific types B) Gestational C) Type 1 D) Type 2

Biology & Microbiology