Unit 2 choice board Biology

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Across
  1. 4. describes a situation in which oxygen is present
  2. 7. adenosine triphosphate, charged energy storage molecule with 3 phosphorus groups
  3. 8. sphere of earth, all living things on earth
  4. 10. type of organism that must eat other organisms to obtain energy
  5. 11. type of organism that is able to make its own food, base of the food chain
  6. 14. organelle- site of photosynthesis
  7. 17. adenosine diphosphate, uncharged energy storage molecule with 2 phosphates
  8. 18. type of organism that breaks down biotic compounds into abiotic compounds, recyclers
  9. 19. sphere of earth all the soil and rocks on earth
  10. 20. anything that has mass and takes up space
Down
  1. 1. first step of aerobic respiration, breaks down glucose into pyruvate, makes some nadh
  2. 2. nutrient, forms the backbone for all macromolecules in living things
  3. 3. substances at the beginning of a chemical reaction, changed in products
  4. 5. organelle, site of steps 2 and 3 of aerobic cellular respiration
  5. 6. pigment in chloroplasts, used to trap light energy during photosynthesis
  6. 9. substances created during a chemical reaction, made from reactants
  7. 12. sphere of earth, all the water on earth
  8. 13. nutrient, used in phosphates of nucleic acids, and phospholipids of membranes, often limited
  9. 15. describes a situation in which oxygen is not present
  10. 16. sphere of earth, all the gasses surrounding earth