Which of the following is the best example of gene flow? a) an earthquake kills most individuals in a tree population, leaving just a few survivors. b) wind blows pollen from one population of plants to another, and cross-fertilization occurs. c) genes are shuffled by the crossing over of chromosomes during meiosis. d) a polyploid plant develops.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

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.