Autotrophs can produce their own food
Everyone has to float it is biologically supposed to happen because because your lungs are full of air, like a balloon, and like a balloon, the air in your lungs lifts you to the surface naturally, if you dont float your dead.
1) Natural selection
2) All of the above? (not sure)
3) <span>A wood duck with brighter, vibrant coloration than the others
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4) Survival of the fittest seems the best
5) How many surviving offspring they are about to have?
