1. Sharks
... all species look different and are unique in their own different way.2 Sharks can range in size from nearly 5 inches, to a 45-foot long whale shark. All sharks use their gills to breathe through by extracting oxygen from seawater. Most sharks have a streamed line bodies and fines to help them glide through ... The temperate sharks live in water temperatures around 50 degrees to 70 degrees.4 All sharks have a backbone like most other sea creatures. The shark's skeleton is made of cartilage unlike most other fish. Cartilage is like bone, but is much lighter and more flexible than it. There...
- Word Count: 812
- Approx Pages: 3
- Grade Level: High School