Which of the following best describes the evolutionary relationship between modern humans and chimpanzees?
answers:
a. humans descended from apes, while chimpanzees evolved from a different, more primitive ancestor.
b. humans and chimpanzees are both primates that diverged from primitive common ancestors.
c. humans descended from chimpanzees and therefore have the same evolutionary ancestors.
d. humans evolved independently of chimpanzees and do not share a common ancestor.

Consider the last statement in the prompt: "people take such environmental factors into account in their choices when deciding where to live." do all people have a choice as to where they live? what factor plays a key role in this decision and may therefore play a large role in determining quality of life?

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere

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.