After 7 pm, you would expect the body temperature of this animal to decrease sharply.
a. true
b. false
Ans: a. true
(Once the animal leaves the surface it can no longer absorb solar radiation; consequently the animal will cool to the temperature of the air in its burrow.)
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Mendel’s plant experiments demonstrated that
A. peas were a poor choice for understanding basic hereditary principles. B. DNA was the molecule carrying the genetic code. C. traits are passed on from parent to offspring as discrete units. D. traits inherited from each parent blended together in the offspring.
True or false: During the incorporation of a nucleotide during transcription, appropriate hydrogen bonding is ensured before the high-energy phosphate bond is cleaved
A. true B. false
Which of the following statements describes the
value of fungi in the environment? a. Fungi “fix” nitrogen from the air for use by plants. b. Fungi trap sunlight energy in the form of carbohydrates. c. Fungi release elements from organic matter. d. Fungi enrich the soil by decreasing the rate of decay of organic matter. e. Fungi remove toxic metals from the soil.
If you wanted to install lights to grow plants indoors, the type of light would you want to use is
A. visible light, because it has low energy wavelengths. B. gamma rays, because it has high energy wavelengths. C. ultraviolet, because it has high energy wavelengths. D. infrared, because it has high energy wavelengths. E. microwaves, because it has low energy wavelengths.