
Speciation and Genetic Divergence Concepts

Interactive Video
•
Biology, Science, Geography
•
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 is the estimated number of species on Earth according to some scientists?
100 million
200 million
8.7 million
50 million
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor that initiates allopatric speciation?
Interbreeding
Geographical barriers
Natural selection
Genetic mutation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which mechanism of genetic divergence involves random changes in allele frequencies due to chance events?
Founder effect
Mutation
Genetic drift
Natural selection
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the founder effect influence a new population?
By promoting interbreeding
By increasing genetic variation
By reducing genetic variation
By stabilizing allele frequencies
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to medium-sized beaked birds in the context of character displacement?
They thrive and outcompete others
They are selected against
They become the dominant species
They interbreed with all beak sizes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is character displacement?
A shift towards extreme traits
A reduction in trait diversity
A shift towards intermediate traits
An increase in interbreeding
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is vicariant speciation?
Speciation due to interbreeding
Speciation due to physical separation
Speciation due to natural selection
Speciation due to genetic drift
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