Class Exercise 5

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Across
  1. 3. species that has an effect on the community disproportionate to its abundance
  2. 5. a group of species that fulfils a particular role in an ecosystem
  3. 8. represents the linear flow of nutrients and energy from prey to predator
  4. 9. the percentage each species contributes to the total
  5. 11. a group of species that exploits a common resource in a similar fashion
  6. 12. a species introduced to a nonnative environment that then causes harm is termed _________
  7. 13. a species introduced to a nonnative environment which causes no harm but integrates into the system is called _________
Down
  1. 1. the set of all species that occupy a given area
  2. 2. symbolized S, the count of the number of species in an area
  3. 4. represents the multiple, nonlinear, interconnected links of nutrient and energy movement among community members
  4. 6. when a species is most numerous, largest, or most prevalent, it is called _____________
  5. 7. the changes that occur as one moves through the landscape of an ecosystem
  6. 10. consumers, must get their energy through consumption of other organisms
  7. 14. producers, gain energy from the sun or occasional from chemicals in the environment