Molluscs.+Page+108


 * [[file:Worms and molluscs.pptx]]

TABLE OF MOLLUSCS AND ARTHROPODS || __ Activities about molluscs from Page 109 __

3. 3. The **__snail__** uses its foot to movement and it also contains the stomach. The **__mussel__** uses its foot to bury itself in the sand and move. The **__squid__** has tentacles which hold and paralyse prey.

4. The term **__gastropod__** means that the stomach is in its foot. The term **__bivalve__** indicates that the animal has a shell formed of two equal parts. The term **__cephalopod__** tells us that the tentacles formed from the foot are attached to the head.

5. It is not a true skeleton because it does not enable movement. **__The shell has a protective function.__** || || ||
 * [[image:http://upload.wikimedia.org/wikipedia/commons/2/25/Caribbean_reef_squid.jpg width="473" height="360" caption=" Caribbean_reef_squid"]]
 * [[image:http://www.ucmp.berkeley.edu/images/taxa/inverts/shell_morph.jpg caption="external image shell_morph.jpg"]] || media type="custom" key="29066707" ||
 * [[image:http://web.tradekorea.com/upload_file2/sell/61/S00013361/baby_cuttlefish.jpg caption="Baby_cuttlefish."]] || [[image:http://natureinfocus.files.wordpress.com/2011/05/p1000041ablog1.jpg width="465" height="353"]] ||
 * [[image:http://1.bp.blogspot.com/-LgDNFJmh8js/UNyCv96vH8I/AAAAAAAAQgo/YVz6kb0nPGE/s1600/nautilus.jpg width="640" height="480" caption="Nautilus belongs to the cephalopods group of Molluscs"]] || [[image:http://www.factzoo.com/sites/all/img/invertebrates/cephalopod/nautilus-inside-shell.jpg width="500" height="353"]] ||
 * TABLE OF MOLLUSCS AND ARTHROPODS ||  ||
 * [[image:http://1.bp.blogspot.com/-LgDNFJmh8js/UNyCv96vH8I/AAAAAAAAQgo/YVz6kb0nPGE/s1600/nautilus.jpg width="640" height="480" caption="Nautilus belongs to the cephalopods group of Molluscs"]] || [[image:http://www.factzoo.com/sites/all/img/invertebrates/cephalopod/nautilus-inside-shell.jpg width="500" height="353"]] ||
 * TABLE OF MOLLUSCS AND ARTHROPODS ||  ||
 * TABLE OF MOLLUSCS AND ARTHROPODS ||  ||