Yes, while multicellular organisms remove waste through the urinary system, single celled organisms expel their metabolic waste with vacuoles
Primary succession can occur in essentially lifeless areas or regions in which the soil is incapable of sustaining life as a result of such factors as lava, sand dunes, or rocks left from a retreating glacier.
Answer:
potential energy I would think
Answer:
This happens because your body needs iron to make a protein called hemoglobin, which is found in red blood cells. Hemoglobin helps carry oxygen around the body. When your body doesn't have enough hemoglobin, less oxygen reaches your tissues and muscles, depriving them of energy.
