Human blood types follow which of the following inheritance patterns?
a. dominance and codominance
b. dominance and incomplete dominance
c. codominance
d. incomplete dominance
Ans: a. dominance and codominance
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Ehrlich and Raven hypothesized that if a new defensive trait evolves in a single plant species (or if a new trait to counteract a plant's defenses evolves in an herbivore species)
the appearance of that trait could result in a period of species diversification. Their hypothesis is also referred to as: A. the "diverge and converge" hypothesis. B. the "reverse and diverse" hypothesis. C. the "emit and commit" hypothesis. D. the "merge and diverge" hypothesis. E. the "escape and radiate" hypothesis.
The most abundant type of fish is: a. cartilaginous
b. ray-finned. c. jawless. d. lobefin.
Which of the following activities is likely to deplete an aquifer fastest?
A) desert trees B) deep-well drilling for farms C) using chlorofluorocarbons D) employing molybdenum-based fertilizers
A role of the lymphatic system is to ________
A) transport histamine
B) produce hormones related to fighting infections
C) produce white blood cells
D) return tissue fluid to the circulatory system