Practice Quiz on Echinoderms Nervous System

Practice Quiz on Echinoderms Nervous System - Describe...

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Describe echinoderms nervous system? Answer: No brain, radial nerve ring with 5 radial nerves Describe echinoderms digestive system? Answer: Complete gut (mout + anus) with 5 digestive glands, extracellular digestion Describe echinoderms respiration? Answer: Diffusion through body wall and tube feet. Describe echinoderms circulation? Answer: Open circulatory system to distribute nutrients, not oxygen Describe echinoderms excretion?
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Unformatted text preview: Answer: Diffusion through body wall and tube feet Describe echinoderms musculoskeleton? Answer: Tube feet, arm, or spine movement Describe echinoderms reproduction? Answer: Sexual, external fertilization Are echinoderms hermaphroditic or gonochoric? Answer: Gonochoric Describe echinoderms development? Answer: Indirect development, free swimming larva...
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  • Spring '11
  • Karn
  • Echinoderm

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