Which of the following correctly describes the immediate and short-term responses of populations during the first 20 years following the fire?
a. All populations except the grasses increased following the fire.
b. All populations except the grasses decreased following the fire, but then became reestablished
c. There was no change in the grass population due to the fire, they increased initially after thefire and then began to decline.
d. Both b and c above.
d
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To prevent the spread of pathogens that cause listeriosis, raw food and food-handling equipment can be decontaminated with
A) antibiotic spray. B) radiation. C) cold storage. D) antibiotic spray, radiation, and cold storage.
Which of the following is a common function of membrane proteins? Select all correct choices
A. catalysis B. attachment C. transport D. signal reception
Why are living organisms such an important component of soil? What will be an ideal response?
Atomic force microscopes use a scanning probe that maintains a fixed distance from the surface of the specimen. It is useful for specimens that ________.
A. neither do not conduct electricity well nor have extremely uneven surfaces is correct B. both do not conduct electricity well and have extremely uneven surfaces are correct C. do not conduct electricity well D. have extremely uneven surfaces