It can be inferred from the passage that the Archaeopteryx were classified as birds on the
A. imprints of bones
B. imprints of feathers
C. the neck structure
D. skeletons
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The author mentions all of the following as examples of complex behavior. patterns evolved
A. migrating
B. nesting
C. singing
D. running
Ohio, the center of ______ the Hopewell culture, has the greatest concentration of ancient
A. called
B. what is called
C. that is called
D. is called
A．She understands why the man seems unhappy.B．She will help the man change his diet.C．
A. She understands why the man seems unhappy.
B. She will help the man change his diet.
C. The man should see a doctor.
D. The doctor has already explained the problem to her.
A．The woman will probably not be able to get the call she's waiting for.B．The woman's
A. The woman will probably not be able to get the call she's waiting for.
B. The woman's phone call isn't important.
C. He'll call the phone company for the woman.
D. He'll try to repair the "woman's phone.
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