Briefly describe the carbon cycle

Briefly describe the carbon cycle

Briefly describe the carbon cycle.  How does human activity impact the carbon cycle and why? List three factors that determine population size.

  1. Define:  (2.5 pts each = 15 pts)
    1. Ecology
    1. Biotic factors
    1. Abiotic factors
    1. Carrying capacity
    1. exponential growth
    1. logistic growth
  • Briefly describe the carbon cycle.  How does human activity impact the carbon cycle and why?  (20pts)
  • List three factors that determine population size.  (15 pts)
  • What is one method an ecologist may use to estimate size of a population?  Briefly describe how the method is employed in a field experiment.  (10pts)
  • Draw a curve for logistic growth and a curve for exponential growth.  Be sure to label the axis.  (20 pts)
  • What characteristics are typical of a K-selected species?  What characteristics are typical of an r-selected species?  Give examples of animals that fit each description.  (20 pts)

Answer preview for Briefly describe the carbon cycle.  How does human activity impact the carbon cycle and why? List three factors that determine population size.

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