Unit 8 Vocab Biology

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Across
  1. 2. The study of interactions among organisms and their environment
  2. 5. Diagram that shows the relative amounts of biomass energy, or number of individuals contained within each trophic level of a food chain
  3. 7. Organism that obtains energy by eating plant and animal remains or other dead matter
  4. 9. organism that breaks down organic matter into its chemical component to be recycled and used again
  5. 11. States that no 2 organisms can occupy the same niche in the same habitat at the same time
  6. 12. organism that uses energy from their environment to create their own food
  7. 14. A collection of all the ecosystems and biomes present on earth
  8. 16. The natural home or environment of an animal, plant, or other organism
  9. 18. All the organisms that live in a particular area and their nonliving environment
  10. 19. Group of ecosystem with the same climate and similar dominant or climate communities
  11. 20. close relationship between 2 species in which one benefits and the other is not affected
Down
  1. 1. The biological influences or living factors that impact an organism within an ecosystem
  2. 3. The total amount of living tissue within a give ecosystems level
  3. 4. Organisms that obtain energy by eating only plants
  4. 6. Physical or nonliving factors that shape ecosystems
  5. 8. Organism that obtains energy by eating only other animals
  6. 10. Group of populations that live together in the same place at the same time
  7. 13. A single step or stage in a food chain or ecological pyramid
  8. 15. A collection of all the food chains in an ecosystem
  9. 17. Series of steps that show a single pathway of matter and energy from producer to top consumer