Which of the gazelle’s naturally selected traits is shown in this picture to be an evolutionary advantage?
feeding only at certain times of the day
coat color for blending in with dry grass
specialized gut due to a diet of grasses
specific gender roles to diminish predation

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil

What makes a dominant allele different from a recessive allele

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.