Hominins are characterized by
a. further expansion and elaboration of the
brain.
b. bipedalism.
c. omnivorous feeding behavior.
d. further expansion and elaboration of the
brain and bipedalism.
e. further expansion and elaboration of the
brain, bipedalism, and omnivorous feeding
behavior.
E
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In the 1950's, Japanese scientists studying a group of macaques habituated the animals to their presence by providing them with sweet potatoes
A young female, who was given the name Imo by the scientists, began washing the sand and grit off her sweet potatoes by rinsing and rubbing them in a nearby stream. Now, 60 years later, all the macaques in the troop wash their sweet potatoes—only now they wash them in the ocean. This is likely an example of learning by: A. classical conditioning. B. imitation. C. non-association. D. habituation. E. sensitization.
Which of the following acts to accelerate chemical reactions in a cell?
A. Nucleic acids B. Lipids C. Carbohydrates D. Enzymes E. None of the answers are correct
Plants have adapted to dry land by evolving all of the following except association with mycorrhizae to improve mineral uptake
a. secreting a waxy coating to prevent water loss. b. forms of chlorophyll more efficient at capturing light. c. tissues to conduct water through the plant. d. structures to protect reproductive cells and embryos.
What population is NOT at risk for a zinc deficiency?
a. vegetarians b. alcoholics c. elderly d. individuals eating a diet high in meat