Learn About Our Earth

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Across
  1. 2. A community of living organisms that all live and interact with one another
  2. 5. The process of biological change over generations
  3. 6. The building blocks of organisms
  4. 7. Living organisms that typically grow by absorbing water and inorganic substances
Down
  1. 1. The passing of characteristics to offspring
  2. 3. The study of genes and heredity
  3. 4. The genetic material in organisms