Question

look at the text below. if there is an error with subject - verb agreement, select the incorrect verb and type it correctly. otherwise, submit the text without making any changes. fish and young corals can discern healthy reefs from fragile ones. each of these creatures is able to detect chemical signals that help determine whether a reef is flourishing.

Explanation:

The subject - verb agreement is correct throughout. "Fish and young corals" is a plural subject with a plural - form verb "can discern". "Each of these creatures" is a singular subject with a singular - form verb "is able to".

Answer:

Fish and young corals can discern healthy reefs from fragile ones. Each of these creatures is able to detect chemical signals that help determine whether a reef is flourishing.