Animals and Plants

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Across
  1. 2. An animal that kills and eats other organisms.
  2. 4. Varying degrees of dominance within a group.
  3. 5. Area that is defended by an animal.
  4. 6. Pigment that absorbs light.
  5. 7. Plant that flowers when the photoperiod is less than a critical day length.
  6. 8. Producing and caring for a few number of offspring.
  7. 9. Ability of an animal to find its way home over unfamiliar territory.
  8. 10. Production of chemicals by plants to inhibit the growth of competitors.
  9. 11. When flowering is induced by a period of cold.
  10. 12. Resetting an internal clock by an environmental cue.
  11. 13. External difference in the sexes.
  12. 16. The place where an organism lives.
  13. 17. An environmental cue that re-sets an internal clock.
  14. 21. A relationship where one species benefits and the other is unaffected.
  15. 24. Control of the timing of activities by daylength.
  16. 25. The shoot of an embryo plant.
  17. 27. Movement of an organism towards or away from a stimulus.
  18. 28. An organisms way of life.
  19. 29. The length of the day.
  20. 30. Series of signals exchanged between a male and female, culminating in mating.
  21. 31. Plant movement in response to a non-directional stimulus.
  22. 32. A rhythm that is free of external influences.
  23. 34. Orientation resulting from a change in the rate of activity.
  24. 35. A period of suspended growth.
  25. 37. A rhythm that has an external origin.
  26. 39. Mass movement of members of a species, often over long distances.
  27. 42. Active during the day.
  28. 43. Male mates with only one female.
  29. 45. The root of an embryo plant.
Down
  1. 1. Wheel which can change the direction of gravity.
  2. 2. An organism that feeds off another organism without killing it.
  3. 3. Active around dawn and dusk.
  4. 4. An area an animal covers regularly in search of food and mates.
  5. 10. Attributing human emotions to an animal.
  6. 14. Between the same species.
  7. 15. Prolonged relationship associated with joint parental care.
  8. 18. Between different species.
  9. 19. When demand for a resource exceeds supply.
  10. 20. Active at night.
  11. 22. Progressive change in the composition of a community over time.
  12. 23. Plant that flowers when the photoperiod exceeds a critical day length.
  13. 26. Resemblance to other organisms to deceive.
  14. 33. A rhythm that has an internal origin.
  15. 36. Male mates with many females in a given season.
  16. 38. A plant that lives on another plant for anchorage.
  17. 39. A relationship where both species benefit.
  18. 40. Large numbers of offspring with little or no care.
  19. 41. Plant growth response towards or away from a stimulus.
  20. 44. Plant growth hormone.