How does natural selection produce change? A Some individuals in a population survive and produce the same amount of offspring as others, causing harmful and advantageous traits to be equa В. Some individuals in a population survive and produce fewer offspring than others, causing harmful traits to be eradicated within a population. C. Some individuals in a population survive and produce more offspring than others, causing advantageous traits to spread within a population. D. Some individuals in a population survive and become sterile, causing advantageous traits to be concentrated among the individuals that are born wit

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.