Most amphibians are completely dependent on an aquatic environment for ____.
A. respiration
B. feeding
C. reproduction
D. movement
E. thermoregulation
Answer: C
Biology & Microbiology
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Carbon dioxide is the only greenhouse gas produced by anthropogenic activities
Indicate whether the statement is true or false.
Biology & Microbiology
Select the pair in which the nitrogenous waste is INCORRECTLY matched with the benefit of its excretion.
A. urea: low toxicity relative to ammonia B. uric acid: can be stored and excreted as a precipitate C. ammonia: very soluble in water D. uric acid: minimal loss of water when excreted E. urea: very insoluble in water
Biology & Microbiology
Movement of new individuals into a population can result in
A. speciation. B. isolation. C. gene flow. D. polyploidy.
Biology & Microbiology
Scabies is transmitted by
A) fomites. B) food. C) water. D) soil. E) respiratory secretions.
Biology & Microbiology