Y9 Living things in their Environment

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Across
  1. 3. Marine habitats built by colonies of tiny animals called corals, supporting high biodiversity.
  2. 4. Web The transfer of energy through feeding relationships.
  3. 7. The enrichment of water by nutrients, leading to excessive plant and algae growth.
  4. 9. A method used by ecologists to estimate the number of organisms in a habitat.
  5. 10. Organisms that produce their own food.
  6. 11. Organisms that consume other organisms for energy.
  7. 12. Traits that help organisms survive in their environment.
Down
  1. 1. A rapid increase in algae in water, often caused by excess nutrients.
  2. 2. – The introduction of harmful substances into the environment.
  3. 5. Organisms that break down dead material.
  4. 6. The variety of different species in an area.
  5. 7. The study of interactions between organisms and their environment.
  6. 8. An organism’s natural home.
  7. 13. A group of organisms of the same species living in an area.