What does Darwinian fitness measure in the context of natural selection?

Natural Selection and Fitness Concepts

Interactive Video
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Biology, Science, Other
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The lifespan of an organism
The number of offspring produced by a genotype
The speed of an organism
The size of an organism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of blue-eyed and green-eyed cats, what is the absolute fitness of the blue-eyed cats?
Five
Two
Four
Three
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is relative fitness determined between two groups?
By measuring their speed
By setting one group's fitness to one and adjusting the other
By comparing their sizes
By counting their total population
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between absolute and relative fitness?
Relative fitness is a comparison of absolute fitnesses
They are unrelated
Absolute fitness is always higher
Relative fitness is always lower
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it often easier to calculate relative fitness rather than absolute fitness?
Relative fitness is based on speed
Absolute fitness is more accurate
Relative fitness does not require population size data
Populations are always increasing in size
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an allele with lower relative fitness over generations?
Its frequency increases
Its frequency remains constant
Its frequency decreases
It becomes dominant
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a gradual decline in allele frequency indicate about its relative fitness?
It has higher relative fitness
It has lower relative fitness
It is neutral
It is increasing in frequency
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