Look at the body shapes of the fish shown below. Which one is best adapted to live in open water in the epipelagic zone, and why?
Fish A because of its streamlined body and powerful tail
Fish B because of its flattened shape and eyes on the dorsal side
Fish C because of its elongated shape and lack of pectoral fins
None of these because they are all sedentary

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.