Shell, beak, tusk : shared traits and the wonders of adaptation /
Introduces how evolution provides common traits for different animals, and the unique ways in which each uses them, from the shelled snail and turtle to the billed duck and platypus.
|Main Author:||Heos, Bridget,|
Houghton Mifflin Harcourt,
31 pages : color illustrations ; 24 x 27 cm