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Comparing Taxonomy: The search for a common ancestor.Featured science projectScience project video


When comparing the taxonomy of different species, it may seem difficult to see how different species have a common ancestor. When comparing a bear to a sea lion, the only similarities that may seem evident is that they are both mammals. Sometimes species share common taxonomy based on anatomical similarities. The skull of both sea lions and bears are very similar. What does this tell you about evolution of these two animals when one is an aquatic creature and the other is terrestrial, or land living.

Questions & Answers

What is the taxonomy of a human?

Kingdom: Animalia

Phylum: Chordata

Class: Mammalia

Order: Primates

Family: Hominidae

Genus: Homo

Species: sapien

Make it Your Own

Create a phylogenetic tree (see bibliography for resources).


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