D, think of it like a house.
Idk if this is right but respiration
Idk tho let me know if it’s right
Answer:
oxygen and nutrients
Explanation:
blood carries the oxygen and nutrients
The cell membrane is in control of what materials go in and out of the cell so the correct answer is 4. Regulates diffusion.
Hope I helped!
Explanation: The basic idea of biological evolution is that populations and species of organisms change over time. ... Darwin also suggested a mechanism for evolution: natural selection, in which heritable traits that help organisms survive and reproduce become more common in a population over time.
