Probing Levels of Life

Probing Levels of Life

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Vertebrates make up less than five percent of the animal kingdom a€” about 55 000 species. In this investigation, you are to observe examples of the subphylum ... to construct a dichotomous key of the vertebrate classes you observed.

Title:Probing Levels of Life
Publisher:McGraw-Hill/Glencoe - 1998-01-01


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