Seeds that have a specific requirement for light for germination are referred to as photoblastic seeds. these seeds require a brief exposure to red light while imbibed. what is the photoreceptor involved in this response?

Which of the following factors would not contribute to allopatric speciation? a) the isolated population is exposed to different selection pressures than the ancestral population.b) a population becomes geographically isolated from the parent population. c) gene flow between the two populations is extensive.d) the separated population is small, and genetic drift occurs. e) different mutations begin to distinguish the gene pools of the separated populations.