"We don't need to know all the details of the wiring diagram," he said, to find the biological equivalent of temperature or pressure.

The brain processes information in discrete operations by way of some biological equivalent of on/off switches.

Arms races in human technology are easier to study than their biological equivalents because they are so much faster.

They are the biological equivalent of computer programs.

In this respect, they resemble a biological equivalent to the Cybermen.

When two drugs have the same bioavailability, they are said to be biological equivalents or bioequivalents.

Some experts call it an overuse syndrome, the biological equivalent of metal fatigue.

Other cone snails catch sleeping fish with the biological equivalent of a fisherman's net.

"This child may be the biological equivalent of the Rosetta Stone. "

It is essentially the biological equivalent of the search for needles in haystacks.