Animal Structures and their Function

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Across
  1. 2. closely compacted in substance
  2. 4. the branch of science concerned with the bodily structure of humans, animals, and other living organisms
  3. 6. - the purpose that an object or characteristic has
Down
  1. 1. an animal or object that can move easily through the air
  2. 3. - something of many parts that is put together
  3. 4. a specifically designed feature that an animal has to help them live in their environment
  4. 5. means the same as shape