Humans are found in Order ____________________. 

The cells of sponges are called ____________________. 

A cnidarian that has a stalk-like body plan (like Hydra) is called a __________. 

The kangaroo and koala are examples of ____________. 

Two traits found only in mammals are hair and lungs.  

Based on DNA, _______________ are the closest relatives to mollusks.  

The phylum that is characterized by segmentation of the body and jointed appendages is ____________________. 

All leeches suck blood to obtain their nutrition.  

Which of the following is the best definition of an enumerated power?

During the national debate over ratification of the new Constitution, the Federalists