Biology Crossword

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Across
  1. 3. Mostly water animals but can live on land, smooth or rough scaly skin, lay eggs & may have lungs.
  2. 6. Organisms that cannot make their own energy
  3. 8. Straight, hollow tubes used for transportation; composed of globular proteins
  4. 9. Different feeders
  5. 11. Shows preserved organisms found in rock
  6. 12. Folds in the mitochondria that increase the surface area and therefore its ability to produce ATP
Down
  1. 1. Makes up 18% of humans
  2. 2. English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
  3. 4. A process typically caused by the genetic isolation from the main population resulting in a new genetically distinct species.
  4. 5. A process which elements, chemical compounds, and other forms of matter are passed from one organism and biosphere to another
  5. 7. The study of living organisms and how they function.
  6. 10. DNA "ladder"