Which of the following statements is correct with respect to bryophyte development?
a. haploid gametes mate to produce a diploid zygote, which later develops into a protonema.
b. the diploid zygote germinates to give rise to protonema, which later develops into a sporophyte.
c. haploid spores germinate to give rise to protonema, which later develops into a sporophyte.

Agenetically engineered corn plant is approved for agricultural use. the plant produces pollen that can make its own toxins. these toxins protect the corn plant against pests and no longer require the application of chemical pesticide. what is a likely impact on the farmer of growing such a variety of corn? a- the financial costs for the farmer would be lowered since less crops would be lost to pests. b-the financial costs for the farmer would be lowered since more crops would be lost to pests. c-the farmer may be held responsible for increasing chemical pollution. d-the farmer's expenses for pest control would increase due to an increase in bee population.