Zoology Video: Shell
NAME:_____________________
1. What is a disadvantage of having a shell ?
_________________________________________________
2. People used to think that ammonite fossils were actually
remains of what animals ?______________________
3. Shells are built / created and colored by a special tissue called
the ______________.
4. Snails belong to the gastropods, which means “_______-foot”.
5. Bivalves refer to mollusks that have ____ shells.
6. Two unusual animals that shellfish eat are
______________ (even though their tentacles are poisonous)
And ___________(even though they are vertebrates).
7. The shell of a turtle / tortoise is actually part of its ___________.
8. Crustaceans must often do what to their shell (exoskeleton) ?
_________________________________
9. Romans loved the color ________, which they could only get
from a dye of ground up shells.
10.What was “wampum” used for in earlier times by Americans ?
_____________________________________
11.The nautilus has a chambered shell which lets it do what ?
______________________________________
12.In oysters, a pearl most often used to be what ?
_________________________________________
13.The Galapagos tortoise can weigh _____pounds and live _____ years.
14. Millions of red crabs swarm to the sea on ___________ Island.
15.Why do you think shells have been so successful for many animals ?
__________________________________________________________