Which of the following does not assist the kidneys in excretion of nitrogenous wastes?
A. pancreas
B. blood
C. sweat glands
D. muscles
E. liver
Answer: A
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Archaic Homo sapiens arose about:a
2 million years ago. b. 1.25 million years ago. c. 400,000 years ago. d. 30,000 years ago. e. 10,000 years ago.
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insects that feed on the plant, thereby making the plants pest-resistant. This process is an example of: a. bioengineering. b. genomic studies. c. fluorescent GloFish. d. recombinant DNA technology. e. genetic engineering
Grass, mice, snakes, and hawks living together in the same geographic area constitute a/an
A. ecosystem. B. abiotic factor. C. community. D. environment.