Which of the following is not a characteristic of temperate deciduous forests? select one:

a. they have fewer species than a tropical rainforest.
b. they contain shade-tolerant spring wildflowers.
c. they produce useful plant products such as cashew nuts, vanilla, and rubber.
d. all of the choices are characteristics.

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