Bio 2 Exam 4 - Topic 17

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Across
  1. 2. results from seasonal, diurnal, and/or lunar influences on the environment
  2. 3. larger areas have more species than smaller areas
  3. 4. variation of the environmental structure at a regional or local scale can influence diversity in the landscape
  4. 6. when process begins in a lifeless area where soil has not yet formed
  5. 10. one species increases the probability of a second species becoming established by changing environmental conditions (abiotic or biotic)
  6. 14. when existing community has been cleared by disturbance that leaves soil intact
Down
  1. 1. having multiple species of the same food consumer group that increases diversity
  2. 5. large and close islands have more species compared to small and far islands
  3. 7. use of a resource by one species such that it is less or unavailable for other species
  4. 8. influence on community is proportionally greater than its numbers would suggest
  5. 9. number of species in a community
  6. 11. one species decreases the probability of another species becoming stablished by changing environmental conditions (abiotic or biotic)
  7. 12. the most stable association of species achieves following succession
  8. 13. number of species and relative abundance of each (# of individuals per species)
  9. 15. sequence of changes in a biological community following disturbance or creation of a new habitat