Difference between revisions of "AY Honors/Shells/Answer Key"
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===i. Canal=== | ===i. Canal=== | ||
==3. Are all shells found on beaches? Where else are they found? What areas of the world offer the largest variety of shells?== | ==3. Are all shells found on beaches? Where else are they found? What areas of the world offer the largest variety of shells?== | ||
| − | Shells are found in many places other than the beach, including river banks, river bottoms, lake shores, lake bottoms, and the seafloor. The Caribbean and the Western Pacific are home to the largest variety of shells. | + | Shells are found in many places other than the beach, including river banks, river bottoms, lake shores, lake bottoms, and the seafloor. They are also found on land, as snails belong to the mollusk phylum. |
| + | |||
| + | The Caribbean and the Western Pacific are home to the largest variety of shells. | ||
==4. Describe the movement of shells from place to place.== | ==4. Describe the movement of shells from place to place.== | ||
Revision as of 19:11, 5 January 2007
1. What is the meaning of the term "mollusk"?
Mollusk is another name for shellfish. A mollusk is a soft-bodied invertebrate of the phylum Mollusca, typically with a hard shell of one or more pieces. The word "mollusk" comes from the Latin meaning "soft, flexible, tender" referring to the mollusk's soft body parts.
2. Identify from shells or drawings the following:
a. Mantle
b. Foot
c. Teeth
d. Ribs
e. Valve
f. Dorsal border
g. Apex
h. Operculum
i. Canal
3. Are all shells found on beaches? Where else are they found? What areas of the world offer the largest variety of shells?
Shells are found in many places other than the beach, including river banks, river bottoms, lake shores, lake bottoms, and the seafloor. They are also found on land, as snails belong to the mollusk phylum.
The Caribbean and the Western Pacific are home to the largest variety of shells.
