In Madagascar, scientists have discovered a moth, Xanthopan morganii
praedicta, (Moth) that has a 30.5 cm proboscis and feeds from and
pollinates Darwin's orchid, Angraecum sesquipedale. The orchid has a
nectar-producing tube that is 27.9 cm long. How is the moth's proboscis
size an adaptation for its environment?

O The moth can avoid larger animals,
O The moth can pollinate other flowers
O The moth has little competition for food.
O The moth has time to feed during the day,

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.