Biology Crossword

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Across
  1. 3. What factor affects decay, apart from temperature and moisture?
  2. 7. The largest artery in our bodies.
  3. 8. The transport tissue in plants which carries water and mineral ions from the soil to the stem and leaves.
  4. 10. Producers are eaten by primary consumers, which in turn are eaten by whom?
  5. 11. The tissue in plants which consists of undifferentiated cells.
  6. 12. The mass of material in living organisms.
Down
  1. 1. The scientific name given to human beings.
  2. 2. Type of tumour that can spread to other parts of the body.
  3. 4. The yellowing of leaves due to lack of magnesium ions.
  4. 5. The scientist who came up with the theory of evolution by natural selection.
  5. 6. A group of cells with similar function working together.
  6. 9. The main product of anaerobic respiration.