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Worksheets2B Mutation and Natural Selection
Total questions: 18
Worksheet time: 14mins
Name
Class
Date
1.
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.
2.
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.
3.
It is very common for yellow labs to have bad hips. This is because owners want purebred yellow labs who are good hunting dogs. This is an example of
a)
Natural Selection
b)
Selective breeding
c)
Mitosis
d)
Fossil Record
4.
Giraffes have long necks. This allows them to eat from the tops of trees where other animals cannot reach. This is a result of...
a)
Natural Selection
b)
Adaptation
c)
Variation
5.
A slight difference between species of similar populations
a)
Adaptation
b)
Trait
c)
Reproduction
d)
Variation
6.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
7.
What did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
a)
different species on different islands
b)
all species on one of the islands
c)
identical species on all the islands
d)
the same species as North America
8.
A scientific generalization of how something happens in nature, based on empirical observations of physical behavior.
a)
Theory
b)
Law
c)
Model
d)
Data
9.
A well-substantiated explanation of why things happens in nature, based on a body of facts that have been repeatedly confirmed through observation and experiment.
a)
Law
b)
Theory
c)
Experiment
d)
Data
10.
A mutation occurs in a particular animal and quickly begins to increase in frequency throughout the population. Which of the following are you most likely to conclude?
a)
The mutation makes the animal grow larger
b)
The mutation does not confer any benefit or harm to the animal
c)
The mutation makes the animal more susceptible to predators
d)
The mutation increase the probability that the animal will reproduce.
11.
Certain octopuses have the ability to change their color to match their surroundings to avoid being seen by their predators. This is an example of _________.
a)
mimicry
b)
camouflage
c)
variation
d)
behavior isolation
12.
Mimicry and camouflage are examples of _________.
a)
divergent evolution
b)
analogous structures
c)
vestigial structures
d)
adaptations
13.
What are sources of genetic variation?
a)
mutations
b)
genetic shuffling
c)
mutations and genetic shuffling
d)
mutations and migrations
14.
Why is genetic variation so important?
a)
It makes sure that populations will not go extinct
b)
It makes sure that natural selection can occur
c)
It causes evolution
d)
All of these are correct
15.
Sickle Cell disease is caused by a genetic mutation that provides protection from Malaria, but can cause fatal circulatory issues. What can we say about this mutation?
a)
The mutation is neither harmful or beneficial.
b)
The mutation can be harmful or beneficial depending on the environment.
c)
The mutation is always beneficial.
d)
The mutation cannot produce a harmful effect.
16.
If you do need to take antibiotics, you should stop taking them when you feel better, even if you haven't finished the whole prescription.
a)
TRUE
b)
FALSE
17.
Natural selection is when ____________ decides who survives and who doesn't
a)
nature
b)
humans
c)
animals
d)
years
18.
Mutations will help species survive over time by increasing genetic variation within that species because, ___________________________.
a)
the species is more able to adapt to environmental changes
b)
the species will then develop into the perfect clone race
c)
it will male them faster and faster and faster
d)
they will be immune from radiation sickness
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