WorksheetsEvolution and Natural Selection
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species
a)
natural selection
b)
artificial selection
c)
speciation
d)
adaptation
2.
Which is necessary for speciation to occur?
a)
adaptation
b)
mass extinction
c)
isolation
d)
acquired traits
3.
Which of the following means "change over time"
a)
natural selection
b)
speciation
c)
evolution
d)
isolation
4.
The differences among a species, like different bird beaks, are called
a)
theories
b)
variations
c)
adaptations
d)
genes
5.
___ are mistakes in the DNA that cause variation within a species.
a)
mutations
b)
adaptations
c)
speciations
d)
isolations
6.
Any inherited trait that gives an organism an advantage in its environment is called ___.
a)
a mutation
b)
an adaptation
c)
evolution
d)
natural selection
7.
The evolution of a new species from an existing species is ____.
a)
natural selection
b)
isolation
c)
speciation
d)
genetic variation
8.
Organisms with the most beneficial traits will survive. This is commonly known as ___.
a)
theory of evolution
b)
variations
c)
survival of the fittest
d)
ecosystems
9.
Most organisms have more offspring than will survive
a)
True
b)
False
10.
Why are advantageous traits more likely to be passed on to the offspring?
a)
Because parents with those traits can teach their offspring
b)
Because parents with those traits can surive and reproduce better
c)
Because parents with those traits care more about their offspring
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