Habitats and Interactions

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Across
  1. 2. active or hunting at night
  2. 5. a number of food chains combined
  3. 8. a system formed by organisms interacting with each other and with their non living surroundings in a balanced way
  4. 13. term used to describe a species that are close to extinction and very small numbers remain
  5. 16. depending on each other for survival
  6. 18. a scientist who studies the growing plants
  7. 19. times of the year when fires are most likely to occur
  8. 20. an animal that is eaten by a predator
Down
  1. 1. species that is experiencing a rapid population decline and in danger of becoming extinct if the drop of numbers continues
  2. 3. raised bank built to prevent water reaching buildings
  3. 4. an organism in or on which a parasite lives
  4. 6. the place where life exists; consists of Earth and its atmosphere
  5. 7. non-living factors in the environment
  6. 9. part of the stem, root or leaf that is able to grow into a new plant
  7. 10. organisms that have the same food source and live in the same habitat
  8. 11. individuals that are exactly the same as each other
  9. 12. an organism that lives on or in a host, taking the host; the host gets nothing in return and may be harmed
  10. 14. the term used to describe different types of living things
  11. 15. the chemical in plants that traps in energy from the Sun and gives plants their green colour
  12. 17. an animal that eats both plants and animals