Assine Portuguese
Procure por qualquer palavra, como ratchet:
 
1.
modification of an organism or its parts that makes it more fit for existence under the conditions of its environment
adaptation:
Some examples are: hollow bones and feathers of birds that enable them to fly, or the cryptic coloration that allows many organisms to hide from their predators.

por twiztiddezirez 14 de Setembro de 2005
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