The Function of the Spiracle in the Skates and Rays

question 48

Multiple Choice

The function of the spiracle in the skates and rays is for

• A)air intake.
• B)water intake.
• C)the reception of bioelectric fields from prey buried in the sea bottom.
• D)the excretion of nitrogenous wastes.

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Definitions:

Soda Pop

A sweetened, carbonated beverage, often flavored and containing caffeine, colours, and preservatives.

Mixture

A combination of two or more substances that are not chemically bonded and can be separated by physical means.

States of Matter

The distinct forms that different phases of matter take on, including traditionally solid, liquid, and gas, as well as plasma and Bose-Einstein condensates under specific conditions.

Physical Material

Substances or components that have mass and occupy space; can be observed and measured physically.