Which Statement Is NOT True About Echinoderms

question 26

Multiple Choice

Which statement is NOT true about echinoderms?

• A)The exoskeleton is made of spiny plates.
• B)Gas exchange occurs through skin gills and tube feet.
• C)Larvae are free-swimming and bilaterally symmetrical.
• D)A water vascular system allows the tube feet to produce suction.
• E)Symmetry is radial in the adult,usually with parts in fives or multiples of five.

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Definitions:

Supply Curve

A graphical representation showing the relationship between the price of a good or service and the quantity of it that suppliers are willing to sell at various prices.

Perfectly Inelastic

A situation in which the quantity demanded or supplied does not change regardless of the price changes.

Excise Tax

A tax imposed on specific goods and services, such as gasoline, cigarettes, and alcohol.

Upsloping

Describes a line or curve on a graph that moves upward as it progresses from left to right, often used to depict positive relationships between variables.