Question
Use what you know about natural selection to fill
in the blanks in the hypothesis. It should answer
the lab question, "What is the effect of the type of
food available on the equency of different types
of bird beaks?"
Hypothesis: If the type of food available changes,
then.
..because..
Answer
Hypothesis: If the type of food available changes, then the frequency of different types of bird beaks will be affected because natural selection will favor the beak type that is best suited for obtaining the available food.