Reproduction 7th Grade Science

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Across
  1. 1. plant responds to touch
  2. 5. eggs fertilized outside body
  3. 6. Temporary organ containing tissues from both mother and offspring
  4. 7. small number of offspring w/ high level of care
  5. 9. animals work together for group survival
  6. 10. struggle between animals to acquire resources
  7. 13. one female + many males
  8. 14. gas that causes fruit to ripen
  9. 17. time spent caring for offspring
  10. 18. Dramatic change of organism during life
  11. 20. Shelled type of egg for terrestrial animals
  12. 22. behavior patterns related to mating
  13. 26. organism gets more complex
  14. 28. speeds up plant cell growth and causes Tropisms
  15. 30. coupling of female and male members of a species
  16. 31. one male + many females
  17. 32. plant responds to light levels
Down
  1. 2. medium number of offspring and level of care
  2. 3. the way an animal interacts with environment
  3. 4. when animals travel to a better environment for reproduction
  4. 8. many males + many females
  5. 11. Embryo gets all nutrients from the placenta
  6. 12. eggs fertilized inside body
  7. 15. method by which animals convey information
  8. 16. when an organism gets bigger
  9. 19. high number of offspring and low level of care
  10. 21. acquired behaviors
  11. 23. inborn behavior present from birth
  12. 24. plant responds to gravity
  13. 25. mate w/ only one partner
  14. 26. halted growth and activity
  15. 27. plant growth response to stimulus
  16. 29. chemical communication signals