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Open Scied: Natural Selection Examples
By Katelyn Owens
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Last updated almost 2 years ago
14 questions
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9
10
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2
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Question 1
1.
1
1
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1
6
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Question 6
6.
How many
blue
snakes are there in the population?
1
Question 7
7.
How many
brown
snakes are there in the population?
1
Question 8
8.
How many
green
snakes are there in the population?
Question 9
9.
Which color(s) of snakes are best suited for the environment grass and dirt environment?
Blue
Green
Brown
Question 10
10.
Which color of snake is more likely to be seen by predators?
Blue
Green
Brown
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Question 11
11.
The blue snakes are most likely to be eaten by birds. What will happen to the blue allele (gene) in the population?
the blue allele (gene) will
increase
in the population
the blue allele (gene) will
decrease
in the population
the blue allele (gene) will stay the same
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Question 12
12.
Due to the drought the environment is mostly brown dirt. Which color snake is "best fit" for the environment?
Brown
Green
13
14
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Question 13
13.
What happened to the allele frequency of
green snakes
in the population?
the amount of green alleles (genes) increased
1
An organism's traits are determined by its DNA
True
False
Question 2
2.
There are no genetic variations in populations
True
False
Question 3
3.
Variations or differences in individuals are due to mutations
True
False
Question 4
4.
In natural selection the organism with the best traits survive and reproduce
True
False
Question 5
5.
Organisms with "bad" traits can change their traits in order to survive
True
False
the amount of green alleles (genes) decreased
the amount of green alleles (genes) stayed the same
Question 14
14.
If there were no birds (aka the selective pressure) in the area, would there be a shift in the population to mostly brown snakes?
No
Yes
