Biodiversity and Ecology 2nd year

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Across
  1. 2. Members of different populations that interact with each other in a given ecosystem
  2. 3. Organisms that feed on and break down dead and decaying matter
  3. 6. Organisms (usually green plants) that can make their own food by photosynthesis
  4. 7. The apparatus used in a habitat study to examine very small organisms. It consists of a jar that has two tubes coming out of it
  5. 9. Non-living organisms in an ecosystem
  6. 11. A flow of energy through an ecosystem can be represented by this linear chart
  7. 13. All energy needed by an ecosystem originates here
  8. 14. The way that organisms in an ecosystem depend on each other
  9. 16. The natural environment in which an organism lives
  10. 18. Members of the same species in a habitat
  11. 19. Living organisms in an ecosystem
Down
  1. 1. The complex variety of plant and animal life in an ecosystem.
  2. 4. Organisms that cannot make their own food and must rely on eating other organisms to get their nutrition
  3. 5. The branch of science that studies the relationships of organisms to each other and to their physical surroundings
  4. 6. All the plants and animals that live in a given habitat
  5. 8. The community of organisms that interact with each other and with the abiotic factors in their environment
  6. 10. The complex flow of energy through an ecosystem consisting of many food chains interwoven together
  7. 12. The way that organisms have evolved to suit their environment
  8. 15. The process by which green plants make their own food using energy from the sun
  9. 17. The interaction between organisms in an ecosystem for resources that may be in short supply