Answer:
He said that he thought that crushes are incomprehensible, and they are the ones to which you can assign no sense or meaning.
Explanation:
A reported speech is the type of speech where a person is recounting the words of another speaker.
Based on the fact that the given statement is written in verbatim (word for word), when using reported speech, you still retain the original meaning, but there are slight changes.
<span>"That these little creatures survive in these small pools of water" is the whole noun clause You could replace that whole noun clause with "That fact" which is a noun phrase and have a sentence That fact is amazing where "that fact" would be the subject.
Likewise, </span>this whole noun clause represents A SUBJECT of the sentence because it corresponds with the predicate "is".