What Is the Main Way That Sharks and Rays Deal

question 50

Multiple Choice

What is the main way that sharks and rays deal with the osmotic stress of living in seawater?

• A) by active transport of ions out of the body by chloride cells
• B) by maintaining high levels of urea and trimethylamine oxide in body fluids
• C) by active transport of ions into the body through the gills
• D) by excreting nitrogenous wastes through their kidneys as urea

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Definitions:

Estate

The collective assets and liabilities of a person, especially considered in the context of their will or the administration of their property after death.

Codicil

A written supplement or modification to a will. A codicil must be executed with the same formalities as a will.

Per Capita

A statistical measure that divides an aggregate amount by the number of units or individuals to determine the average amount per person.

Lineal Heirs

Direct descendants of an individual, such as children, grandchildren, and so forth, who may inherit from an estate.