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WorksheetsNatural Selection
Total questions: 14
Worksheet time: 12mins
Name
Class
Date
1.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
2.
When every organism of a species has died.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artificial Selection
3.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
4.
The theory of evolution by natural selection means that what is changing over time?
a)
The inherited traits of a population.
b)
The acquired traits of a population.
c)
Hair color and eye color
d)
Attractive features.
5.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
6.
Mutations are a change in what?
a)
DNA
b)
tRNA
c)
genotype
d)
phenotype
7.
What word describes a trait that helps an organism survive in its environment?
a)
natural selection
b)
mutation
c)
camouflage
d)
adaptation
8.
Why do frogs and other organism reproduce so many eggs or offspring?
a)
so that their babies can have friends to play with
b)
the more offspring the more likely the offspring will survive
c)
the more offspring the less likely offspring will survive
d)
the more offspring the less competition
9.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
10.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
11.
Which of the following means "genetic change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
fitness
12.
Do organisms "decide" to evolve and change?
a)
Yes, they know they need to change to survive
b)
No, they change because of natural selection
13.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
14.
Which of the following is NOT an example of natural selection?
a)
People selectively breeding hamsters.
b)
Insect populations developing resistance to certain pesticides.
c)
Bacteria becoming resistant to antibiotics.
d)
Male birds of certain species developing colorful feathers to attract female mates.
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