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Which of the following best describes the evolutionary history of trout?

A. They are more closely related to frogs than they are to birds.
B. They are more evolved than frogs and lizards.
C. They evolved into a separate species due to the presence of egg shells.
D. They have jaws and lungs but lack egg shells and mammary glands.

Sagot :

GinnyAnsweridn

Final answer:

Trout evolved as jawed species after jawless fishes. They share evolutionary history with other jawed species.


Explanation:

Trout evolved as jawed species after jawless fishes (such as hagfishes and lampreys). They are not more closely related to frogs than birds but share evolutionary history with other jawed species.


Learn more about Evolutionary history of vertebrates here:

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