L100_Lec_quiz6_ans

L100_Lec_quiz6_ans - L100 Lecture Quiz #6 ANSWER KEY 1. On...

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L100 – Lecture Quiz #6 ANSWER KEY 1. On the graph below draw two lines - one showing a logistic growth curve and one showing an exponential population growth curve. Label curves. You only have to sketch in a curve showing a typical logistic growth curve and a typical exponential curve. (2.5pt) 2. Indicate carrying capacity on the above graph with a dotted line. Are both of these population growth curves influenced by a carrying capacity? If not, which one isn’t? (1pt) Carrying capacity influences logistic growth; not exponential growth. Exponential growth is unconstrained – no limits on growth. Logistic growth takes into consideration the resources available in the habitat that supports the population. 3. What is carrying capacity? Is it always constant? If so, why? If not, why might it change? (1pt) Carrying capacity is the amount of resources needed to support the population. No, carrying capacity is not constant. It could change as the resources or habitat changes. It could change as a result of a decrease/increase in food supply, increase/decrease in predation pressures, loss of habitat through storms, etc…. .
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4. In the figure below each letter is a species within a community.
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This note was uploaded on 01/18/2012 for the course L 100 taught by Professor Dr.susanhengeveld during the Fall '11 term at Indiana.

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L100_Lec_quiz6_ans - L100 Lecture Quiz #6 ANSWER KEY 1. On...

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