Practice_Ecol_E2_Ans

Practice_Ecol_E2_Ans - BIOL 5C, Fall 2009, 2:10 3:00 PM...

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BIOL 5C, Fall 2009, 2:10 – 3:00 PM Midterm #2 Practice Set of Questions – Answers 1. If populations of house finches have a K=0 in the presence of common sparrows, then it may be possible to conclude a. House finches and common sparrows have complete niche overlap b. House finches and common sparrows have incomplete niche overlap c. Competitive exclusion is a potential outcome of interspecific competition d. Coexistence is a potential outcome of intraspecific competition e. Both a and c 2. Kingbirds hunt for phytophagous insects on the underside of the leaves of oak trees, while Rock Wrens hunt for predaceous insects under leaves that have fallen on the ground under the oak trees. For these two bird species, this is possibly an example of: a. Interference competition b. Exploitative competition c. Character displacement d. Resource partitioning e. Mutualism 3. Spinney fence lizards are found Jamaica and feed on medium-size land snails by crushing them with moderate size jaws. Blue-tongued skinks (another lizard species) are found in Australia and also feed on medium-size land
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Practice_Ecol_E2_Ans - BIOL 5C, Fall 2009, 2:10 3:00 PM...

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