Biology Midterm Review

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Across
  1. 3. The nucleus is the "_______" of the cell.
  2. 6. Fe
  3. 7. Herbivore food
  4. 9. a simple carbohydrate
  5. 13. stored sugar
  6. 15. A product of cellular respiration
  7. 20. yeast is one
  8. 22. A measure of how many different species live in an ecosystem
  9. 23. The study of the interactions of living organisms with one another and with their environment
  10. 24. Stored in bonds
  11. 26. the smallest unit of matter
  12. 28. very low on the pH scale
  13. 29. Alive, aquatic, and adrift
  14. 30. An organism's particular role in an ecosystem
  15. 33. C6H12O6
  16. 37. NaCl
  17. 38. What the cell wall gives the cell
Down
  1. 1. Stage two of Cellular respiration is the ______ cycle
  2. 2. Cell hair
  3. 4. cellular energy
  4. 5. Nucleic acid necessary for reproduction
  5. 8. Acid in our muscles
  6. 10. Photosynthesis helps plants _______
  7. 11. How most plants gets water
  8. 12. Its building up in our atmosphere
  9. 14. Mussels ________ for space on the rocks
  10. 16. A zebra, to a lion
  11. 17. Humidity and temperature are examples of ________ factors
  12. 18. Plant food
  13. 19. The growth of plants is often limited by the available ________ and ammonia in the soil
  14. 20. Phospholipids
  15. 21. Vacuoles provide ___________
  16. 25. Proteins= _______ acids
  17. 27. Common parasite in Maine
  18. 31. Mutualism is when two species _______ each other
  19. 32. Most detergents and cleaners
  20. 34. The macromolecule that provides long-term energy storage for the body.
  21. 35. Unsaturated fat
  22. 36. Cellular respiration: stage 3
  23. 37. energy source for photosynthesis