7th Grade Unit 9 - Matter and Energy In Ecosystems Vocabulary

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Across
  1. 6. a consumer that obtains energy by eating only plants
  2. 7. an organism that can make its own food
  3. 10. make food for themselves using light energy, carbon dioxide, and water
  4. 11. process by which producers / plants use the energy in sunlight to create their own food; 6 CO2 + 6 H2O → (sunlight + chlorophyll) → C6H12O6 + 6 O2
  5. 13. the green substance (pigment) contained in the chloroplast of plant leaves that captures the energy in sunlight
  6. 15. the position that an organism occupies in a food chain, food web, or energy pyramid (e.g., producer, primary consumer, etc.)
  7. 16. an organism that obtains energy by feeding on other organisms
  8. 18. the process by which decomposers break down dead material and waste into simpler substances
  9. 19. each trophic level can only give 10% of its energy to the next level
Down
  1. 1. energy that comes from the sun; also called light energy
  2. 2. an organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water
  3. 3. the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem
  4. 4. a structure in a plant cell that contains chlorophyll; site of photosynthesis
  5. 5. a carnivore that feeds on the bodies of dead or decaying organisms
  6. 8. the part of the Earth that can support life; includes all living things and the places they are found
  7. 9. a consumer that obtains energy by eating both plants and animals
  8. 12. the community of organisms that live in a particular area, along with their nonliving environment
  9. 13. a consumer that obtains energy by eating only animals
  10. 14. eat other organisms for food
  11. 17. diagram that demonstrates the flow of energy through a food chain