What is the primary focus of gradualism in the context of evolution?

Evolutionary Mechanisms: Gradualism vs Punctuated Equilibrium

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

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gradual changes over long periods
Sudden extinction events
Rapid changes over short periods
No changes over time
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which event is used as an example of punctuated equilibrium in the video?
The Renaissance
The extinction of the woolly mammoth
The end of the last ice age
The Industrial Revolution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the fossil record primarily show according to the video?
No evidence of evolution
Punctuated equilibrium
Continuous gradual changes
Only extinct species
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which animals are mentioned as examples of stasis in the video?
Sharks and whales
Elephants and rhinos
Crocodiles and alligators
Lions and tigers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What impact did hunting have on crocodile populations in the 1970s?
Caused them to migrate
Hunted the large crocodile gene out of the gene pool
Introduced new species
Increased their population
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is gradualism visually represented in the video?
As gradual changes over time
As a circle
As a straight line with no changes
As a series of rapid changes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characterizes punctuated equilibrium according to the visual representation?
Continuous gradual changes
Periods of stasis with rapid bursts of speciation
Only extinction events
No changes at all
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