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Types of structures that are similar and the functions are different and come from a common ancestor.
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
Structures that are left over from a past ancestor that do not have a current function.
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
What does DNA evidence show when comparing different species?
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
Evolution is a __________
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
What is true about the past ancestors of whales?
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
What selects adaptive traits.
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
Which process is the cause of evolution?
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
When does a new species form (speciation)?
Natural selection
Homologous structures
Vestigial structures
When two similar organisms can no longer mate and produce fertile offspring.
If they are closely related.
Theory
Environment
All of these
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