What does the theory of evolution contribute to conservation biology? a.) it scientists understand how populations and species are related, and this knowledge can be used to these populations and species survive. b.) it scientists understand how populations and species are related, and this knowledge can be used to capture and breed the fittest organisms in these populations and species. c.) it scientists understand how populations and species react to changes in their environment, and this knowledge can be used to these populations and species survive. d.) it scientists