Which of the following is a benefit of introducing a variety of plants into a farm field, or of reviving older “heirloom” varieties of food plants such as potatoes and tomatoes? Select two correct answers.
A. better crop yields
B. protection of genetic diversity
C. reduction of the chance of pests destroying a crop
D. reduction of the amount of land devoted to agriculture

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.