Ecology & Spiral Crossword Puzzle

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Across
  1. 4. How the body tries to keep itself the same on the inside even when things change on the outside
  2. 7. An organism that gets its energy by eating secondary consumers
  3. 8. Living parts of an ecosystem
  4. 12. An organism that consumes only plants
  5. 13. A sequence of living things in which each one feeds on the living thing below it.
  6. 15. An organism that must consume other organisms for nutrients
  7. 16. A living thing (almost always a plant) that takes energy from the sun and make its own food.
  8. 19. The force put out by the water in a plant against the cell wall
  9. 20. The role a species has in its environment
  10. 24. Your body’s outer layer
  11. 26. The growth response of a plant to touch
  12. 27. The growth response of a plant to water
  13. 28. An animal that only eats other animals and bugs
Down
  1. 1. 90% of captured energy is transformed into heat in the previous trophic level and only 10% is available for the next trophic level.
  2. 2. An animal that consumes plants, animals, and bugs
  3. 3. Organisms such as bacteria and fungi that break down the remains of dead plants and animals, without need for internal digestion
  4. 5. An animal that eats primary consumers (i.e., other animals that eat plants)
  5. 6. The science of the relationships between organisms and their environment
  6. 9. The growth response of a plant to gravity
  7. 10. The growth response of a plant to light
  8. 11. A network of glands that secrete hormones into the blood
  9. 13. A food web is a model made of intersecting food chains.
  10. 14. An organism that gets its energy by feeding on producers in the food chain
  11. 17. The position an organism occupies on the food web
  12. 18. Living things that break down dead and decaying organisms. The most common decomposers are bacteria and fungi.
  13. 21. A system compromising all the biotic and abiotic factors in an area and all the interactions among them
  14. 22. The natural environment where a species lives
  15. 23. A diagram that shows the total amount of energy contained within each trophic level
  16. 25. Nonliving parts of an ecosystem