Answer:
A.true
Explanation:
"""During their 150 million year existence, animals changed drastically in size, body, shape, and flying ability. a modification of an organism or its parts that makes it more fit for existence."""
Mutation can cause DNA to change
No, why not? because the high plains is a relatively level high plateau, separated from the Rolling Plains by the Cap rock Escarpment. Elevations range from 3,000 to 4,500 feet above sea level.
D is what I would put because it looks right