Mollusks
Part 1 of Science Study Guide
Terms
undefined, object
copy deck
- Vocab: mantle
- Thin layer of tissue that covers a mollusk's body organs; secretes the shell or protects the body of mollusks without shells
- Opening & closing shell
- How do scallops escape predators?
- Cephalopods
- Which group of mollusks have a closed circulatory system?
- Food for organisms, make jewelry, & are part of the ecosystem
- Why is it important to study the mollusks?
- Cephalopods
- Which group of the mollusks is most specialized?
- Gastropods & Bivalves
- Which groups of mollusks have an open circulatory system?
- Mantle
- What secretes the shell?
- Slugs; mucus
- Which group of gastropods do not have a shell? How are they protected?
- Energy demand for oxygen is less
- Why is an open circulatory system able to meet the needs of a gastropod?
- Take water in through body & shoot it out of siphon
- Explain cephalopod propulsion
- Vocab: gill
- Organ that exchange carbon dioxide for oxygen in water
- Gastropods
- What is the largest group of mollusks?
- Vocab: radula
- Tonguelike organ with rows of teeth
- Vocab: bivalve
- Mollusk that has a hinged, two-part shell joined by strong muscles
- Suction cups in tentacles; jet propulsion
- How do the cephalopods get their food? How are they adapted in order to obtain food on their own?
- Slugs
- Which mollusks do not have any kind of a shell?
- Soft-bodied
- What does the word mollusk mean in Latin?
- Gastropod, cephalopod, bivalve
- What are the 3 groups of mollusks?
- Vocab: univalve
- Mollusk that has a one-part shell
- Muscular foot
- How do clams burrow deep into the sand?
- Vocab: cephalopod
- Most specialized & complex mollusks; means "head-footed"
- Vocab: gastropod
- Largest group of mollusks that has 1 or no shell