what compounds do all living things share?
water, carbs, lipids, proteins, nucleic acids
what do all living things need?
water, shelter, energy
what is photosynthesis?
energy from the sun stored in chemical bonds of sugars
what is respiration?
chemical reaction aided by enzymes to break bonds and release energy
what does aerobic mean?
a lot of energy released; oxygen
what does anaerobic mean?
not so much energy released; lack of oxygen
what is chemosynthesis?
unicellular organisms obtain energy from inorganic compounds; minerals; little energy obtained