A classic example of imprinting is _____
a. Pavlov’s dog
b. a sparrow singing a song
c. Lorenz and his geese
d. a cuckoo bird being a “brood parasite”
e. watching television
ANSWER: c
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Family, twin, and adoption studies have revealed a(n) _____________________ component to mental illnesses, such as bipolar disorder
Fill in the blank(s) with correct word
The trade barrier that involves levying one tariff rate for a certain amount of an imported commodity and a higher tariff rate for quantities in excess of that amount is the
a. export subsidy. b. import subsidy. c. tariff quota. d. quality standards requirement.
Refer to the figure. After the system reaches equilibrium, what changes are observed?
A) The molarity of sucrose is higher than that of glucose on side A. B) The water level is higher in side A than in side B. C) The water level is unchanged. D) The water level is higher in side B than in side A.
Plant growth regulators _____
A) only act by altering gene expression B) often have a multiplicity of effects C) function independently of other hormones D) affect the division and elongation, but not the differentiation, of cells