Of course it is not like your foot, but the clam can use it to move slowly along. Oysters do not have this foot, and so they cannot move by themselves. Otherwise their structure is much like that of clams. Snails and slugs look very different from anbsp;...
|Title||:||Teacher's Guidebook for Science Problems for Junior High School|
|Author||:||Wilbur Lee Beauchamp|