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What characteristic of living things helps them to adapt to a changing environment?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
Which best illustrates how comparative anatomy supports the modern theory of evolution?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
What do scientists most often use to form the basis for biological classification?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
A bird builds a nest in a tree. The tree gives the bird shelter and protection while the next does not harm or help the tree. What type of symbiosis is this?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
Which best describes the relationship between genetic variation and the ability to adapt to one’s environment?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
The fin of the shark, wing of the penguin and flipper of the dolphin are all used for swimming but are very different structures. What is the term for these structures?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
The process of change over time, specifically a change in the frequency of a trait over time.
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
Over time, the length of giraffes’ necks changed slightly to allow them to reach taller trees. How should this change be classified?
Analogous structures
commensalism
genetic variation
comparative anatomy
evolution
Whales have finger bones in their fins.
As genetic variation increases, the ability to adapt increases.
adaptation
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