Science

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Across
  1. 3. A group of cells that are alike.
  2. 5. To place materials that share properties together in groups.
  3. 6. A group of parts that work together.
  4. 10. A change in the body form of an organism.
  5. 12. To move to another place.
  6. 13. To rest or sleep through the cold winter.
Down
  1. 1. A group of tissues that work together.
  2. 2. All the living and non-living things in an environment and their interactions.
  3. 4. A place or object that protects an animal and keeps it safe.
  4. 7. All of the members of a single type of organism in an ecosystem.
  5. 8. The home of a living thing.
  6. 9. All the living things in an ecosystem.
  7. 11. The building blocks of life.