Having two teeth or two tooth-like projections; characterized by two dental structures.
From bi- (two) and dental from Latin dens (tooth). This anatomical or zoological term describes creatures or objects with exactly two teeth or tooth-like structures.
Some ancient whales had bidental features as they evolved from land mammals, and studying these transitional forms shows how evolution gradually reduced the number of teeth from many to few as they adapted to filter-feeding.
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