Glog thumbnail

For proper viewing of Glogster use Macromedia Flash Plug-in.
Download a new plug-in, if your system is not playing correctly.

text který se navhází v glogu

Class Agnatha, Chondrichthyes, and Ostheichthyes (Fish)

Picture citation: http://www.chiangmai-chiangrai.com/popular_river_fish.html

Ostheichthyes- Bony fish (Ex. Swordfish)

Agnatha- without jaws (Ex. Hagfish)

Chondrichthyes- Cartiliginous fish (Ex. Sharks)

Common names

Fish breathe by the process of gas exchange. This occurs as water flows over the gills of a fish.

Fish have two chambers to their heart.

 

Images

Click on the thumbnail to see original image.

Image