The Fishes. Vertebrate Success In Water. Cool Facts About Fish. First animal to have a skull to protect their brain. 41% of all fishes are freshwater even though only less than 0.01% of the earth’s water is freshwater.
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Vertebrate Success In Water
There are many important distinguishing characteristics between the different classifications of fish. Explain the characteristics used to group fish into different Classes. In your response, be sure to:
Identify and compare several criteria use by taxonomists to classify fish.
Describe the composition and function of scales in both Chondrichthyes and Osteichthyes.
Give an example of how each type of scale is advantageous in its own environment (niche).
Use appropriate scientific vocabulary.