iGCSE Biology (Venetia)

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Across
  1. 6. in a food chain, each tier is called a ______ level
  2. 8. Small structures found on a villus
  3. 15. 23 is the _______ number in humans
  4. 18. When a male and female gamete fuse
  5. 19. Water usually moves by osmosis
  6. 20. Active transport means movement ___ a conc. gradient
Down
  1. 1. Acid in the stomach
  2. 2. When volume increases, _________ decreases
  3. 3. Where you would find pollen in a flowering plant
  4. 4. Tested for using the Sudan III Test
  5. 5. 46 is the _______ number in humans
  6. 7. Plant cell wall is made of…
  7. 9. Tested for using the Biuret Test
  8. 10. product of fermentation (other than CO2)
  9. 11. During inhalation, volume increases in the…
  10. 12. Tested for using the Benedict’s Test
  11. 13. Movement of particles down a conc. gradient
  12. 14. Produced in the liver, released by gall bladder
  13. 16. Starch turns this from orange-brown to blue-black
  14. 17. Where nectar is produced in a flowering plant