vocab words

123456789101112131415161718192021222324252627282930
Across
  1. 2. an organism that eats both plants and animals
  2. 3. web: a diagram that shows the feeding relationships between organisms in an ecosystem
  3. 6. a relation between two species in which both species benefit.
  4. 7. an organism that is killed and eaten by another organism
  5. 8. an area that is periodically underwater or whose soil contains a great deal or moisture
  6. 12. the part of Earth where life exists
  7. 14. describes the nonliving parts of the environment. Biotic: describes living factors in the environment.
  8. 16. a community of organisms and their abiotic, or nonliving, environment
  9. 17. the shallow zone of a lake or pond where light reaches the bottom and nurtures plants
  10. 18. zone: the zone of a pond or lake that extends from the littoral zone
  11. 19. the study of the interactions of organisms with one another and with their environment.
  12. 20. a relationship between two species in which one specie
  13. 21. pyramid: a triangular diagram that shows an ecosystem’s loss of energy, which result as energy passes through the ecosystem’s food chain.
  14. 24. tiny producers that float near the surface of the ocean.
  15. 25. a type of vegetation that includes broad leaved evergreen shrubs.
  16. 26. a large region characterized by a specific type of climate and certain types of plants and animal communities
  17. 28. a relationship in which two different organisms live in close association with each other.
  18. 29. a treeless plain found in the Arctic
  19. 30. a treeless wetland ecosystem where plants such as grasses grow
Down
  1. 1. A region that that is dominated by grasses
  2. 4. a region that has little or no plant life
  3. 5. an organism that eats animals
  4. 9. zone: the zone of a lake or pond below the open-water zone, where no water reaches
  5. 10. all of the populations of species that live in the same habitat and interact with each other.
  6. 11. an organism that eats only plants
  7. 13. an organism that kills and eats all or part of another organism.
  8. 15. a relationship between two organisms in which one organism benefits and other is unaffected
  9. 22. a group of organisms of the same species that live in a specific geographical area.
  10. 23. a wetland ecosystem in which shrubs and trees grow
  11. 25. capacity: the largest population that an environment can support at any given time.
  12. 27. an area where freshwater mixes with salt water from the ocean