Why are stem cells important? a. they have specialized dna. b. they are incapable of becoming cancer cells. c. they have the potential to undergo cell division. d. they have the potential to develop into other cell types.

Many kangaroo rats live in the sonoran desert of the southwestern united states. they have a variety of adaptations for living in the desert. under which circumstance would the kangaroo rats of the sonoran desert be most likely to develop new adaptations by natural selection?

What are some possible short and long term medical concerns for crew members on longer space exploration trips

9. the history of life on earth is recorded in