vocab

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Across
  1. 3. the total land needed to support life forms.
  2. 4. the tragedy of plants that live in a area by animals
  3. 6. what we make constantly
  4. 9. how much we can sustain ourselves
  5. 10. variety in life forms in a planet
  6. 11. crop growth in a area at large
Down
  1. 1. a source that is everywhere
  2. 2. a science involving nature
  3. 5. price of demand and supply
  4. 7. a resource that isn't man made
  5. 8. branch of biology