The layer of the skin that contains hair follicles, sweat glands, and blood vessels is the dermis.
a. true
b. false
Answer: a. true
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The natural habitat of a pathogen is referred to as its
A. home. B. primary inhabitance. C. infectious site. D. reservoir.
Which of the following is a plant-derived ingredient that served as one of the world’s first antimalarial drugs?
a. digitalis b. aspirin c. quinine d. ephedrine
The occupation of space by a sessile organism, such as a barnacle, that precludes the establishment or occupation by another species is referred to as
A) preemptive competition. B) consumption competition. C) overgrowth competition. D) encounter competition.
Animals remove ________ from organic molecules, which drives the synthesis of ________.
A. electrons; ATP B. carbon; ATP C. electrons; CO2 D. nitrogen; H2O E. protons; O2