Biology Quiz #1

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Across
  1. 2. animals reacting to chemicals
  2. 5. population has more adults than kids
  3. 6. both organisms benefit
  4. 8. population has about the same in all age groups
  5. 9. plants reacting to light
  6. 11. one organism benefits while the other is unaffected
Down
  1. 1. largest biotic component
  2. 3. plants reacting to touch
  3. 4. xylem and phloem are these kinds of tissue
  4. 7. population has more kids than adults
  5. 8. shape of the population when it is growing until it reaches carrying capacity
  6. 10. smallest biotic component