Tigers and lions inhabit different areas and different habitats. tigers live in forested areas in south east asia while lions inhabit open savannas in africa and south west asia. lions and tigers never mate in the wild because they are geographically and ecologically isolated. however, in the zoo, they can mate and produce viable offspring.
a) would you classify tigers and lions as the same species using the biological species concept, yes/no and explain what was the main factor in your decision.
b) would you classify tigers and lions as the same species using the ecological species concept, yes/no and explain what was the main factor in your decision

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.