What was the main factor that determined the survival of ground finches during the drought?

Selection Types in Evolutionary Biology

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Biology, Science, Other
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9th - 12th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The color of their feathers
The size of their wings
The depth of their bills
The length of their legs
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the drought, which type of bill was less likely to survive?
Medium-sized bills
Narrow bills
Deep bills
Short bills
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What environmental condition led to the change in bill size distribution among ground finches?
New food sources
Increased predators
Drought
Flooding
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In directional selection, what happens to the mean trait value of a population over time?
It becomes more variable
It splits into two extremes
It remains the same
It shifts in one direction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of directional selection?
The population splits into two groups
The population becomes more diverse
The mean trait value shifts over time
The mean trait value remains constant
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of selection favors individuals with traits at both extremes?
Artificial selection
Disruptive selection
Directional selection
Stabilizing selection
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In disruptive selection, what happens to the mean trait value?
It becomes more variable
It remains unchanged
It decreases
It increases
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