Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

The main advantage of urea is its very low toxicity.
The main advantage of urea is its very low what?

Like skeletal muscle, cardiac muscle is striated.
Like skeletal muscle, cardiac muscle is what?

A largemouth bass is an example of a cold-blooded animal that conforms to temperature aspect of the lake it inhabits.

A largemouth bass is an example of a cold-blooded animal that conforms to what aspect of the lake it inhabits?