Measuring Populations Answers
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Natural selection does not always result in an increase in genetic diversity.
A
TB
F22
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Natural selection is an evolutionary mechanism by which _______.
A
advantageous traits are eliminated in a populationB
advantageous traits become more common in a populationC
inherited traits pass consistently through generationsD
organisms choose which traits to look for in their offspring23
Stationary population pyramids are representative of countries with shorter than average life expectancies.
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TB
F25
Why do disruptive selection pressures tend to favor rapid evolutionary changes?
A
They result in sudden gene frequency changes.B
They eliminate extreme genetic traits.C
They select for one variation of a genetic trait.D
They result in environmental adaptation.26
Which of the following best describes the relationship between jaguars and panthers?
A
Panthers and jaguars are separate species.B
Panthers are jaguars with predominantly dark or black pigmentation.C
Juvenile jaguars are black and called panthers.D
During winter Jaguars’ coats change from spotted to black.27
These two graphs represent _______ and _______ selection.
A
directional; stabilizingB
stabilizing; disruptiveC
disruptive; staticD
static; directional28
Which of the following is the most obvious sign of cluster distribution in termites?
A
They are insects.B
They are detritivores.C
They are social insects.D
Many species of termites are considered pests.29
Disruptive selection events select for _______.
A
common traitsB
genetic uniformityC
camouflage traitsD
extreme traitsDid you find these answers helpful?
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