Energy and Matter Crossword - Cara

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Across
  1. 6. the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction
  2. 10. it consists of all the organisms and the physical environment with which they interact
  3. 11. The process by which plants make energy using sunlight
Down
  1. 1. are organisms that break down dead or decaying organisms
  2. 2. A microbe that can use sugar to grow
  3. 3. The bottom level in the energy pyramid which usually consists of plants
  4. 4. the worldwide sum of all ecosystems
  5. 5. A living thing made up of one or more cells and able to carry on the activities of life
  6. 7. any organism that can't make its own food
  7. 8. plant or animal material used as fuel to produce electricity or heat
  8. 9. is any substance that has mass and takes up space by having volume
  9. 12. is the capacity for doing work (exist in potential, kinetic, thermal, or other forms)