Is a fly a single cell or multicellular organism

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?