Help Please! Describe three factors that affect the flow of blood through the circulatory system.

Select the correct answer from each drop-down menu proteins are

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

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.