3. Organisms that are NOT autotrophs A. can survive without energy
B. get energy from sunlight
C. make their own food
D. must feed on different organisms to get energy

An easy way to calculate the amount of energy available at each level is to what?

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Solutions to environmental problems in europe must