Which of the following processes is likely to occur in the leaves of a plant exposed to an atmospheric oxygen level of only 1% or 2%? aerobic respiration

anaerobic respiration

hypoxia

transpiration

How does a lytic infection differ from a lysogenic infection?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.