The benefits to an animal of defending a territory may include
A. food.
B. sheltered nesting sites.
C. mates.
D. Answers A, B and C are correct.
E. None of these answers are correct.
D. Answers A, B and C are correct.
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All of the following are associated with a protein-folding disease except
A) prions. B) tau protein. C) amyloid plaques. D) E-cadherin. E) apoplipoprotein E.
Most plant cells are pluripotent, meaning that they
a. constantly switch tissue types throughout their lives. b. cannot change after differentiating into a specific cell type. c. end up as a hybrid of tissue types. d. can function in any environmental condition. e. retain the ability to change cell types when necessary.
Some deer mice are physiologically adapted to live at high altitudes because of the following:
a. adults maintain fetal forms of hemoglobin. b. mutations in hemoglobin that increase its oxygen-binding affinity. c. mutations in myoglobin that increase its oxygen-binding affinity. d. mutations that increase heart rates. e. mutations that decrease heart rates.
The Reciprocal Trade Agreement Act of 1934
a. increased the level of tariffs in the United States. b. was the first in a series of retaliatory trade acts passed by Congress. c. was the first in a series of Congressional acts reducing tariffs. d. increased the level of tariffs in the United States AND was the first in a series of retaliatory trade acts passed by Congress.