Animals and Plants Crossword

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Across
  1. 5. A linear arrangement of animals in a social group from most dominant to most subordinate
  2. 6. A biological clock that is under constant environmental conditions
  3. 8. A nondirectional movement response of animals to the intensity of a stimulus
  4. 11. Active at night
  5. 12. A plant that flowers during spring and/or summer
  6. 15. A type of mimicry where several harmful species resemble each other
  7. 17. Plant directional growth response to gravity
  8. 18. Reproductive strategy that involves parental care of offspring
Down
  1. 1. An interspecific relationship where an animal eats a plant
  2. 2. Behaviours between animals of the same species to attract a mate
  3. 3. An annual, mass movement of animals from an area where they don't breed to an area where they do breed
  4. 4. An interspecific interaction where both organisms benefit
  5. 7. Active during dawn and dusk
  6. 9. Methods animals use to find their way
  7. 10. The artificial or natural resetting of a biological clock by cues in the environment
  8. 13. A geographical area an animal is familiar with, but is not defended
  9. 14. Behaviours that are genetically determined
  10. 16. An external environmental cue