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The average span of time between the birth of parents and that of their offspring is known as a(n)
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
In the phrase survival of the fittest, to what does the term fittest refer?
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
A group of organisms that share similar characteristics and can reproduce among themselves
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
Change in inherited traits over time.
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
Which of these best illustrates natural selection?
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
A(n) ________________ is any variation that makes an organism better suited to its environment.
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
What is any permanent change in a gene or a chromosome (the DNA) called?
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
Which word describes the majority of permanent genetic mutations?
adaptation
Injurious
An organism with favorable genetic variations will tend to survive and breed successfully.
evolution
Species
generation
mutation
The best-adapted organisms
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