How are the early stages of embryonic development different from the later stages of development?

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

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

What are potential sources of error in marta’s experiment