Biodiversity

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Across
  1. 2. Vertebrates have _____
  2. 5. The first out of the Three R's
  3. 6. different habitats and communities
  4. 8. Lowest rank of classification
Down
  1. 1. The variety of life her on earth
  2. 3. an example of invertebrates
  3. 4. Determines a species variation
  4. 7. The broadest group of classification of living things