Wednesday, May 29, 2013

More about cartilaginous fish

1. Explain how cartilaginous and bony fish regulate the salt found in the water.
-Bony fish drink a lot of seawater to say hydrated. With cartilaginous fish, they are expected over the gills

2. What are some key difference in life history between cartilaginous fish and bony fish?
-Cartilaginous fish= slow reproducing
-bony fish= fast reproducers.

3. Describe how sharks reproduce. 
-Some sharks grasp the females pectoral fins, or bite and hold onto the body. 

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