essex

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Across
  1. 2. Living things in an ecosystem.
  2. 3. an animal that feeds on plants.
  3. 5. level- Each of the levels within a food chain, in which animals fill the same nutritional role.
  4. 6. species- species that are the first to colonize newly created environments.
  5. 8. an area of low-lying, uncultivated ground where water collects, a bog or marsh.
  6. 11. consumer- An organism which eats other heterotrophs, usually called carnivores or omnivores.
  7. 13. the process of turning from liquid into vapor.
  8. 15. Plants inside an ecosystem
  9. 16. Animals inside an ecosystem
  10. 18. Relatively thin life-supporting stratum of Earth’s surface.
  11. 19. wet muddy ground too soft to support a heavy body.
Down
  1. 1. Non-living parts of an ecosystem
  2. 4. water which collects as droplets on a cold surface when humid air is in contact with it.
  3. 7. Precipitation is any liquid or frozen water that forms in the atmosphere and falls back to the earth.
  4. 9. Heterotrophs that obtain nutrients by consuming detritus.
  5. 10. an area of low-lying land which is flooded in wet seasons or at high tide, and typically always remains waterlogged.
  6. 12. pyramid- graphical representation, showing the flow of energy at each trophic level in an ecosystem.
  7. 14. consumer- An organism that uses energy from sunlight to manufacture its own food.
  8. 15. low and marshy or frequently flooded area of land
  9. 17. Layer of gases surrounding a planet.