Exam (elaborations)
exam 3 asu bio 182 Questions And Answers Graded A.
- Course
- BIO 182
- Institution
- Arizona State University
exam 3 asu bio 182 Questions And Answers Graded A.
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exam 3 asu bio 182 b b b b1.Which group is not a population?: all four groups are populations
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2.How would you estimate the number of whales in a population?: mark and
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b recapture
3.What is a population?: a group of individuals of the same species living in the
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b same area at the same time
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4.True or False? Sampling quadrats would be the better method for estimating
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b the number of whales in a population.: false
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5.True or False? Mark and recapture would be the better method for estimating
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b the number of saguaros in a population.: true
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6.True or False? The shrinking population between 1965 and 1970 could have
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b resulted from a decrease in the birth rate or an increase in the death rate.: true
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7.True or False? The growing population between 1985 and 1995 could have
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b resulted from a decrease in emigration or an increase in immigration.: true
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8.The human population has grown
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b
9.The growth of a population depends on
b b b b b b b : the birth rate
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b minus the death rate.
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10.A population stops growing when it
b b b b b b : reaches its
b b
b carrying capacity. b
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, exam 3 asu bio 182 b b b b
11.True or False? The carrying capacity of a population depends on the
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b resources available in the environment.: true
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12.Why do bluegills nest on the edge of the lake?: The habitat in the shallow
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b water might receive more solar radiation, holds more zooplankton (which is what
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b they eat), more protective over young than it in deeper water where larger fish reside,
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b more algae for the fish to hide in, warmer water for embryos to develop quickly and
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b enhance survival/fitness.
b
13.Activity: Write a Figure Legend: Bluegills prefer certain water temp; when
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b given a choice between 27 degrees celsius and 31 degrees celsius, bluegills spent a
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b majority of their time at 31 degrees celsius.
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14.True or False? If males compete for space, a large male will likely force a
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b small male to spend less time on the side of the tank with the optimal
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b temperature.: true b
15.True or False? Both models assume that no individuals immigrate into the
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b population.: false b
16.t/f: When possible, a bluegill prefers to have a body temperature around
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b 31°C.: true b
17.T/F: When competing with an adult, a juvenile bluegill will always have a
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b lower body temperature than its preferred temperature.: False (If the environ-
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, exam 3 asu bio 182
b b b b
b ment hotter than preferred, on average, large bluegill will force small bluegills to
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b remain in parts of water that are hotter than preferred)
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