Many Echinoderms from This Class Produce Toxins in Their Body

question 33

Multiple Choice

Many echinoderms from this class produce toxins in their body walls that discourage predators.

• A)Holothuroidea
• B)Asteroidea
• C)Ophiuroidea
• D)Echinoidea
• E)Crinoidea

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Nonalcoholic Beverage

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A stimulating and highly addictive psychoactive drug in tobacco.

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