Week 5 Final

Lisa Allen

SCI/256

March 8, 2012

Linda Pope

Week 5 Final

1) Discussion questions from week One: Question 3

What is an example of a J-curve population in nature? Explain. What is an S-curve? Define carrying capacity.

The Exponential curve (also known as a J-curve) happens when there is no boundary line to the size in population. An exception would be a period of a plague that results in numerous deaths which would produce a noticeable but small downward spike in the curve. The Logistic curve (also known as an S-curve) shows the result of a limiting factor such as in the carrying capacity of the environment (Farabee, 2010).

2) Discussion questions from week Two: Question 1

Identify a natural ecosystem in which you live or one near to where you live. How does this...