GPP, or Gross Primary Productivity:a
is the energy that remains in a plant after photosynthesis
b. is the total energy captured from the sun through photosynthesis
c. is the rate at which excess plant energy is converted to tissue for growth
d. is the amount of energy available for primary consumers
e. represents approximately 80% of the energy captured from the sun
b
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Which one of the following is an example of a latent viral infection in humans?
a) Measles b) HIV/AIDS c) Shingles d) Influenza
A segmented genome can result in antigenic shift
Indicate whether the statement is true or false
Which statement accurately describes the relationship between natural selection and sexual selection?
a. Sexual selection and natural selection are unrelated processes. b. Unlike natural selection, sexual selection cannot result in fundamental change over geologic time. c. Natural selection could be subdivided into viability selection and sexual se-lection. d. Only natural selection is based on individual fitness.
Global warming has led to less snow cover in some areas. Snow cover provides insulation for
some burrowing, hibernating animals. In a population of rodents, some animals have slightly thicker fur, and animals with this trait are more likely to survive the winters with low snow cover and thus produce offspring in the spring. This scenario is an example of
a. an adaptation. b. evolution. c. natural selection. d. homology.