During which phase do chromosomes first become visible?

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae