The extensive natural pine forests of the southern Atlantic and Gulf Coasts of the United States are maintained by:

A) grazing.
B) frequent logging.
C) occasional hurricanes.
D) periodic fires.


Ans: D) periodic fires.

Biology & Microbiology

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This STD typically only infects women and

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a. chlamydia. b. gonorrhea. c. syphilis. d. trichomoniasis. e. genital herpes

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What should the arrow in the following equation be labeled? Sugar + oxygen --> carbon dioxide + water + ATP.

a. photosynthesis b. cellular respiration c. Krebs cycle d. Calvin cycle

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Sugars are created during:

A) anaerobic respiration. B) the light reactions of photosynthesis. C) aerobic respiration. D) the Calvin cycle of photosynthesis.

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Which of the following kinds of traits was originally used for classifying organisms into taxonomic

categories?

a. morphology and behavior b. DNA and amino acid sequences c. physiology and biochemical pathways d. geography and ecology e. morphology and physiology

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