Question

select the word or phrase that is redundant and can be removed without changing the meaning of the text. if you can imagine a mental picture of a reptile encased in bone, then youll have an idea of what the parahupehsuchus longus, an aquatic reptile of the triassic period, looked like.

Explanation:

The phrase "mental picture" is redundant because "imagine" already implies forming a picture in one's mind. Removing "mental picture" does not change the meaning of the sentence.

Answer:

mental picture