Biology

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Across
  1. 1. Nonliving
  2. 4. The first trophic level in a food chain in which it serves as a food source for consumers or for higher trophic levels.
  3. 5. small (often microscopic) plants and animals floating, drifting or weakly swimming in bodies of fresh or salt water.
  4. 6. coniferous or broadleaf forests that occur in the temperate zone and receive high rainfall
  5. 9. An organism that generally obtains food by feeding on other organisms or organic matter due to lack of the ability to manufacture own food from inorganic sources; a heterotroph.
  6. 10. Of, pertaining to, or produced by life or living organisms
  7. 11. An organism whose ecological function involves the recycling of nutrients by performing the natural process of decomposition as it feeds on dead or decaying organisms.
Down
  1. 2. A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding mode.
  2. 3. species which are the first to colonize previously disrupted or damaged ecosystems
  3. 7. graphical model that is shaped like a pyramid to show how the energy flows through a food chain
  4. 8. An inlet or arm of the sea, especially the wide mouth of a river, where the tide meets the current.