The Dust Bowl of the 1930s was the result of
destruction of
a. deserts.
b. chaparrals.
c. tallgrass prairies.
d. short-grass prairies.
e. temperate deciduous forests.
Answer: d
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In the light-independent reactions of photosynthesis, CO2 is added to a five-carbon molecule known as
A. cellulose. B. ribose. C. deoxyribose. D. RuBP. E. CAM.
Kinesin is a motor molecule that is characterized by
A) activation of sliding in flagellar microtubules. B) sliding along actin in sarcomere. C) motion toward the "plus" end of the microtubule. D) motion along actin filaments. E) motion toward the "minus" end of the microtubule.
The modern lifestyle of humans has generated an apparent increase in the frequency of some conditions, as compared to our hunter-gatherer ancestors. Which of the following is NOT one of them?
A) breast cancer B) myopia C) obesity D) lactose intolerance E) None of these.
These are organism that consume both live plants and animals to fulfill their metabolic requirements in an ecosystem
A) Carnivores B) Primary consumers C) Omnivores D) Herbivores