Classifying Critters

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Across
  1. 3. A type of microorganism.
  2. 4. Microorganisms can be good because they help to make yogurt and __________.
  3. 6. Have moist skin and lay their eggs in water.
  4. 8. These vertebrates have fur and give birth to live young.
  5. 9. An injection where you put a dead or weak microorganism into a person to give them immunity.
  6. 11. Microorganisms can be bad because they can cause ___________ (make you ill!).
  7. 12. A microorganism that produces carbon dioxide and makes bread rise.
Down
  1. 1. A living thing that is neither a plant or an animal.
  2. 2. Animals without a backbone.
  3. 5. Where living things are grouped according to their similar features.
  4. 7. Living things that make their own food in a process called photosynthesis.
  5. 10. Have dry, scaly skin.