The Hagfish Are the Only Known Vertebrate That Is Iso-Osmotic

question 21

True/False

The hagfish are the only known vertebrate that is iso-osmotic.

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Definitions:

Explanandum

The phenomenon or event that is explained by a scientific theory or investigation.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Proposition

A declaration or pronouncement that indicates an evaluation or stance, subject to being correct or incorrect.

Explanandum

An event or phenomenon that is to be explained.