Intertidal life

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Across
  1. 3. the attractive force between any two objects with mass
  2. 10. area between the high tide and low tide
  3. 11. area between low tide and extreme low tide, rarely exposed
  4. 12. State of extreme dryness
Down
  1. 1. Area that is submerged only at spring tides
  2. 2. interactions between organisms and species to get a limited resource
  3. 4. taking natural resources like plants or animals at a rate faster than the population can naturally replace itself
  4. 5. occurs when the moon is parallel to the sun
  5. 6. one organism kills and consumes another for nutrition
  6. 7. Rising and falling of the sea
  7. 8. area above the high-tide line that is rarely submerged but is regularly hit by waves and sea spray
  8. 9. tides occurs when the moon is perpendicular to the sun