Living Things

123456789101112131415161718192021
Across
  1. 3. the study of classifying groups of organisms
  2. 4. a system to group organisms based on characteristics
  3. 7. an organism that makes its own food through photosynthesis
  4. 9. the life process in which new individuals are created
  5. 10. an organism that eats other organisms for food
  6. 11. are animals without a backbone or skeleton
  7. 13. organisms use food and oxygen to make energy
  8. 16. a living individual
  9. 17. hard body covering on some invertebrates
  10. 19. a type of exoskeleton
  11. 20. organism meets all the requirements for life
  12. 21. all organisms increase in size
Down
  1. 1. all organisms remove waste from their bodies
  2. 2. single celled organism that could make you sick
  3. 5. another word for mushroom
  4. 6. all organisms are made from these
  5. 8. another word for food
  6. 10. a pair of feelers on an animals head
  7. 12. all organisms respond to changes in the environment
  8. 14. hooked structures on an animals legs
  9. 15. a life process
  10. 18. not an orgamism, does not meet requirements for life