Wednesday, December 24, 2008
Sunday, December 21, 2008
Wednesday, December 03, 2008
Subscribe to:
Posts (Atom)
skip to main |
skip to sidebar
Sharks (Selachimorpha) are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The skeleton of a shark is very different from that of bony fish and terrestrial vertebrates.
