Bivalvia are clams, oysters, mussels, and scallop that are enclosed by a pair of hinged shells. There are no bivalves that live on land. There are 651 species in this group, all have little or no shells except for the nautilus. All animals in this group are marine. There are over 7,500 fossil species in this group.
Lines of latitude run east and west, while lines of longitude run north and south.
Hurricanes are rated by their potential for damage on a scale of one to five. Herbert Saffir, a consulting engineer who specializes in wind damage to buildings, and Robert Simpson, who was then director of the National Hurricane Center, invented the scale during the 1970s. Wind speed is given in miles per hour. The Educational Extravaganza was covered by all the local news stations and most of the local newspapers. We will post the date and time of the show when we get word from the network.