
Population Dynamics and Natural Selection in Evolutionary Biology

Interactive Video
•
Biology, Science, Other
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What defines a population in evolutionary terms?
A group of the same species that interbreed
A group of species that do not interact
A group of species that share the same habitat
A group of different species living in the same area
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is genetic drift?
A process where genetic changes occur due to natural selection
A process where genetic changes occur due to mutations
A process where genetic changes occur due to random events
A process where genetic changes occur due to environmental changes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In directional selection, what happens to the population's traits over time?
They shift towards one extreme
They become more diverse
They become less diverse
They remain stable
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of directional selection?
Bird beak size
Human birth weight
Fish coloration
Elephant seal size
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is stabilizing selection?
Selection that favors one extreme
Selection that favors the average traits
Selection that favors rare traits
Selection that favors both extremes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How has modern medicine affected human birth weight in terms of selection?
It has stabilized the birth weight
It has broadened the range of birth weights
It has decreased the average birth weight
It has increased the average birth weight
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is disruptive selection?
Selection that favors the average traits
Selection that favors one extreme
Selection that favors both extremes
Selection that favors rare traits
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