Nearly two-thirds of every vertebrate's body is composed of ________.
A. muscle
B. water
C. carbon
D. bones
Answer: B
Biology & Microbiology
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Approximately how long does it take for the human stomach to empty following a meal?
A. 4 hours B. 1 hour C. 2 hours D. 12 hours E. 24 hours
Biology & Microbiology
The beach flea Talitrus is a member of the order:
a. Stomatopoda. b. Decapoda. c. Euphausiacea. d. Amphipoda. e. Isopoda.
Biology & Microbiology
In pedigree charts, autosomal dominant disorders are expressed in heterozygotes. Therefore, the disorders are typically
A. occur every third generation. B. appear in every generation. C. appear only in males. D. appear only in females. E. seem to disappear in one generation, only to reappear in the next generation.
Biology & Microbiology
Competitive exclusion is the result of
a. mutualism. b. commensalism. c. competition. d. predation. e. parasitism
Biology & Microbiology