Chapter Five Vocabulary

123456789101112131415
Across
  1. 3. A(n) _____________ species are the first species to come into an area after a disturbance.
  2. 4. A relationship where both individuals benefit (+/+)
  3. 6. A change over time.
  4. 7. The process by which new species are generated.
  5. 10. A visual map of feeding relationships that shows the many paths of energy flow.
  6. 11. A relationship where one individual benefits, and the other is unaffected (+/0).
  7. 13. An animal that eats both plants and animals.
  8. 14. How reproductively successful an organism is in its environment.
  9. 15. A long-lasting relationship in which at least one organism benefits.
Down
  1. 1. A heritable trait that increases an individual's fitness.
  2. 2. The process by which traits that improve an organism's fitness are passed on more frequently to future generations than those that do not.
  3. 5. A(n) ___________ species is a nonnative organism that spread widely in a community.
  4. 8. A tomato plant is a primary ____________ because it makes its own food.
  5. 9. The process by which two species evolve in response to changes in each other.
  6. 12. A predictable series of changes over time that occur after a disturbance.