Ecology

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Across
  1. 2. An eight-legged invertebrate
  2. 3. Living things that get energy from eating other living things
  3. 4. A plant-eating animal
  4. 10. A feature that helps an organism survive
  5. 11. An animal that eats animals and plants
  6. 12. Another name for an internal skeleton
  7. 14. A more complicated food chain
  8. 15. Animal populations that live in the same place at the same time
  9. 16. animals without a backbone
  10. 18. Another name for a living thing
  11. 20. animals that live on land and water; have thin skin
  12. 22. Decomposers that have spores; an example is a mushroom
Down
  1. 1. A thing on Earth that does not have cells, does not need/use energy, and does not reproduce or adapt
  2. 3. A meat-eating animal
  3. 5. Cold-blooded animal with tough, leathery skin
  4. 6. An invertebrate with a shell that lives on land
  5. 7. The process of a plant making its own food
  6. 8. A hard, outer shell for protection
  7. 9. Organisms that make their own food
  8. 13. Organisms that eat and break down dead matter
  9. 14. Animals that live exclusively in water
  10. 17. A single-celled organism; could be the cause of a disease or used to make food
  11. 19. Animals with lightweight bones
  12. 21. warm-blooded animals, have hair or fur