It has two holes in its skull behind the eyes.
A defining characteristic of polyphony is that the independence and equality of simultaneous melodic lines.
A.
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The defining characteristic of prokaryotic cells that sets them apart from eukaryotic cells is the absence of a distinct nucleus.
What was the defining characteristic of the Spartan city-state? A: Military state
Diapsid skulls have one large hole in the front and two smaller holes in the back for different brain functions. Birds and reptiles have diapsid skulls.
A crocodile is not a mammal, rather, it is a reptile. The defining characteristic of mammals is the possession of mammary glands (hence the name). These are the glands which make milk to feed the young (one of the definitions of mammal),and only mammals have them. Crocodiles do not feed their young on milk, do not have mammary glands and cannot therefore be mammals.
The mammary glands, a defining characteristic of mammals.
The Australian echidna, or spiny anteater, shares this same characteristic.
The defining characteristic of a main sequence star burns hydrogen to helium in its core.
The defining characteristic of a fable is that it has talking animals.
It has a defined territory