6. the point at which growth and coiling begins?
- whorl
- apex
- spire
- body chamber
7. where the siphon extends out of for respiration
- operculum
- siphonal canal
- body chamber
- aperture
8. what phylum is the gastropod?
- Mollusca
- Gastropoda
- Cephlapoda
- Cnidaria
9. what class is the gastropod?
- Cnidaria
- Gastropoda
- Mollusca
- Cephlapoda
10. opening where the animal extends its soft parts
- aperture
- body chamber
11. all the whorls except the last whorl
- apex
- spire
- body chamber
- whorls