Behavioural Adaptarions

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Across
  1. 3. A plant hormone that influences the growth rate of plant cells
  2. 6. A system where special groups carry out different functions in society
  3. 8. Respond to stimulus and does not have a elicit response
  4. 9. Light as a tropism
  5. 10. The response of plants to particular periods of light and dark
  6. 14. The relative length of day and night
  7. 18. The movement of large numbers of animals from one area to another
  8. 19. Gravity as a tropism
Down
  1. 1. The ability to use sound to bounce off objects to determine their position
  2. 2. Cease to respond to stimuli
  3. 4. A behaviour that develop or change as a result of experience
  4. 5. Light sensitive pigments in leaves, react to a photoperiod"
  5. 7. Something that is genetically controlled. Inborn or natural
  6. 11. Solar tracking
  7. 12. The change in growth because of contact with another object
  8. 13. A behaviour to reproduce or mate
  9. 15. An order or system to establish social hierarchies
  10. 16. Behaviours that repeat in regular intervals
  11. 17. External factors that exert an influence on plant growth and development
  12. 20. The study of animal behaviour