Practice Quiz on Mollusks Nervous System

Practice Quiz on Mollusks Nervous System - Describe...

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Describe mollusks nervous system? Answer: Brain + 2 pair of nerve cords Describe mollusks digestive system? Answer: Complete with mouth, esophagus, stomach, intestine, digestive gland, anus. Extracellular digestion. Radula. Bivalves use ctenidia in filter feeding. Describe mollusks respiration? Answer: Ctenidia in aquatic forms (gills). Lungs in terrestrial forms. Describe mollusks circulation? Answer: Open circulatory system except cephalopods Describe mollusks excretion?
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Unformatted text preview: Answer: Nephridia Describe mollusks musculoskeleton? Answer: Movement via foot Describe mollusks reproduction? Answer: Sexual, external fertilization except gastropods Are mollusks hermaphroditic or gonochoric? Answer: Mostly gonochoric, some hermaphroditic Describe mollusks development? Answer: Indirect development, free swimming trochophores and veligers (bivalves + marine snails). Direct in cephalopods...
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  • Spring '11
  • Karn
  • Digestive System, mollusks respiration

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