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Home Q & A Board Biology-Related Homework Help General Biology
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Ashmo Ashmo
wrote...
13 years ago

1.    What is the name of the phylum to which vertebrates belong? How did it get its name?

2.   Chondrichthyes is the classification to which sharks and rays belong. What is the main difference between them and other fish?

3.   Explain the difference in egg lying habits of reptiles and amphibians.

4.   How can you explain the statement “Form fits function” in the avian wing and feather?
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wrote...
#1
13 years ago
1.chordata
2. chondrichthayans have a skeleton composed of cartilage, a spiral valve, have bouyance from storing oil in their bodies which accounts for sinking if they stop swimming
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