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When a farmer breeds only his or her best livestock, the process involved is
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
Mutations occur because of ______.
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
What is one of the main ways that a new species forms?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
Characteristics that help an organism survive and reproduce in its environment are called?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
Differences between members of the same species are called?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
The formation of a new species as a result of evolution is called ?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
When lions prey on a herd of antilopes, some antelopes are killed and some escape. Which part of Darwin's concept of natural selection might be used to describe this situation?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
The process in which populations gradually change over time in called?
b) the introduction of new variations through mistakes in DNA replication
d) evolution
d) survival of the fittest
c) adaptations
d) artificial selection
a) variations
b) a group is separated from the rest of the species
a) speciation
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