Many of you are right in your posts on birds and dio's. However, I thought I would weigh in and put the whole thing to bed, b/c which came first chicken/egg is an irrelevant question in light of evolution.
Birds and chickens can trace their evolutionary history back through dinosaurs.
Therefore the answer is:
C: The dinosaurs.
If you don't believe me, then check out the journal science.
Dino DNA
To be fully correct here...The real answer is E: none of the above, b/c ultimately "something" came before the dino's and before them...and so on.
Species are artificial constructs placed onto a continuous process that is evolution. A species is, and is not all at once, b/c it is constantly on one evolutionary trajectory or another. We as humans have placed these constructs onto our world, b/c we as scientists/botanists/gardeners/hunters/people need to see the world as structured.
I apologize for making the creationists among us squeamish here; however, I have my beliefs as do you, and do not judge based on one view or another.
-Bio.
----
Even a blind squirrel finds a nut sometimes.
Some people just have trouble with facts.
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