Regions that have ________ levels of solar irradiance have ________ average temperatures
A) low; varying
B) high; low
C) low; low
D) high; varying
C
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A hypothesis can best be described as a(n):
a. data point b. conclusion c. observation d. tentative explanation e. stepwise problem-solving approach
The majority of an individual fungus lives "in" its food source. What characteristics of the fungal growth form make this a necessity?
A. Fungi have a high ratio of surface area to volume and are highly susceptible to dessication. B. Fungi have a low ratio of surface area to volume and are highly susceptible to dessication. C. Fungi require the stimulus of "pushing" through the substrate to stimulate growth. D. Fungi require more nutrients than other organisms, and large amounts of nutrients can only be acquired by living in a host.
Bt crops are an insect-resistant GM plant. Bt crops are used mainly because the cry proteins, which confer the insecticidal properties, are shown to ________
A) pollute the ground water B) have few negative effects on humans C) break down slowly in sunlight D) only target a few pest species
Hereditarianism is the idea that human traits are ____
A. partly influenced by environment and genes B. influenced mostly by the genetic make-up C. influenced equally by genes and environment D. determined solely by the genotype or genetic make-up E. none of these