How does the theory of evolution disprove the belief that natural selection prepares an organism to adapt to its environment? natural selection occurs before changes in the environment. a population changes in response to a change in the environment. environmental changes can be predicted based on changes in a population. natural selection leads to the survival of the population with the most complex traits.

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

What is the next step in the process after a substrate enters the active site of an enzyme

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.