Unit 1:Ecology Crossword Puzzle

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Across
  1. 2. The rate at which a natural population grows
  2. 4. The animal that is at the top of the food chain
  3. 6. Things like mushrooms fungi and bacteria that help to speed up the decomposition of natural product
  4. 8. The introduction of a species that isn't native to the population of animals
  5. 9. The biologically interacting community and the environment they live in
  6. 10. Anything that isn't alive is called a(n) ___ organism
  7. 13. Anything that is alive is called a(n) ___ organism
  8. 14. An animal or plant that can make its own food
  9. 17. The rule that 10% of the animals biomass will be passed on to the next trophic level while the other 90% is lost
  10. 18. The plants that absorb energy from the sun which is the bottom of the food pyramid
  11. 19. An organism that benefits at the expense of the others
  12. 20. The animal that eats vegetation and is eaten by carnivores
Down
  1. 1. The animals that eat the consumers
  2. 3. The prevention or prohibition of overusing an object whether natural or manmade
  3. 5. The way the animals depend on each other with the top predators at the top of the chain
  4. 7. The animals that eat the plants that absorb the suns energy
  5. 11. The web of food that are linked together in which animals of the ecosystem rely on one another
  6. 12. The beginning of all energy which is from the sun
  7. 15. The animals that eat other animals such as herbivores and other carnivores
  8. 16. An animal that eats other animals or plants