"But so far, there really hasn't been a lot of biological evidence that these conditions are causing a rapid tree decline."

But biological evidence is far less likely to be available or provide definitive proof in other kinds of cases.

"Have you found any biological evidence they were here, or is it just this sculpture?"

They might have enjoyed more, but an essential part of the agreement was that no biological evidence should be produced.

No biological evidence was presented at the trial, and he was convicted in 1985.

"I'm a Christian, but there's too much biological evidence to throw out evolution," he said.

There are two levels of medical (or dental) biological evidence.

The large majority of felonies do not involve biological evidence.

Nearly two months later, the biological evidence is inconclusive.

The biological evidence has been growing for 20 or more years.