How can speciation of plants benefit humans?

Plant speciation can benefit humans by becoming draught resistant, of medicinal value, increased fruit ad seed bearing properties or insect resistant, to name a few.

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

i think that the best answer would be c.

tell me if im wrong : )