Which of the following best relates behavior and evolution? a. there's no link between inherited behaviors and evolution b. most behaviors aren't influenced by genes and, therefore, aren't able to evolve c. inherited behaviors that don't allow animals to survive and reproduce will be spread throughout the population and can evolve by natural selection d. inherited behaviors that allow animals to survive and reproduce will be spread throughout the population and can evolve by natural selection

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Plants that have reproductive structures called cones are?