FratFiles

• Save Paper

A Better Understanding of
Cephalopods








By:
July 27, 2008






Introduction:
Cephalopods are the mollusk class cephalopoda (“head-foot”) and are characterized by bilateral body symmetry and usually a large head (Campbell et al. 2004). Cephalopods are found in all the oceans of the earth at nearly every depth. None can tolerate freshwater, but a few of them can withstand living in brackish (where salt and fresh water meet) water. There are two main subclasses of cepahalopds, the coleoidea and the nautiloidea, and are classified by whether or not the mollusk has a shell. Cephalopods are often regarded as the most intelligent of invertebrates as they posses large brains complemented by well-developed senses. The class developed during the late Cambrian, and early cephalopods were likely predators near the top of the food chain. Their lengthy evolutionary history spans an impressive 500 million years and has left a vast record of fossils, making them an......

View the rest of this paper...

Approximate Word Count: 1705
Approximate Pages: 7 (250 words per double-spaced page)

Similar Essays

1. Cephalopod Lab Report : Bsc 117
   

   Cephalopod Lab Report : Bsc 117 A Better Understanding of Cephalopods By: July 27, 2008 Introduction: Cephalopods are the mollusk class cephalopoda ("head-foot") and are

2. 
   

3. 
   

4. 
   

5.