The dentition of omnivores is specialized for ________ in their diets.
A. plants only
B. bacteria only
C. meat only
D. both plants and meat
Answer: D
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A solution with a pH of 3
A) is more alkaline than a solution with a pH of 2. B) has a higher concentration of OH- than a solution with a pH of 4. C) is neutral. D) is more acidic than a solution with a pH of 3.5.
Atropine, which is used to dilate the eye, inhibits acetylcholine muscarinic receptors.
a. true b. false
The effect of resource availability on population size ultimately determines ____.
A. the carrying capacity of the environment B. exponential growth C. the doubling time of a population D. the population’s biotic potential E. the loss of species in an ecosystem
What is a pyrimidine dimer?
A) A hydrogen bond between adjacent pyrimidines B) An electrostatic bond between adjacent pyrimidines C) An ionic bond between adjacent pyrimidines D) A covalent bond between adjacent pyrimidines