X-word Puzzle

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Across
  1. 2. A set of moral principles or values.
  2. 5. An explanation of a natural phenomenon supported by many observations.
  3. 7. This once-celled bacteria causes strep throat.
  4. 9. This type of biologist seek to prevent the extinction of plants and animals.
  5. 10. The human brain contains approximately 100 billion of these.
Down
  1. 1. An expert on the studies of living organisms.
  2. 3. Beliefs or practices often mistakenly regarded as being based on scientific method.
  3. 4. The powerhouse of the cell.
  4. 6. The name of "label" used while measuring mass.
  5. 8. This part of all organisms is referred to as being in a "double helix" shape.