What are the main resources that organisms compete for to survive? select the three correct answers. water air shelter food

Number and variety of living organisms includes genetic, species, and ecological types

What is the similarities and differences between bacteria and eukaryote?

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells