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 frequency of different types of bird beaks?" Hypothesis: If the type of food available changes, then…

Answer 1

the birds either starve or adapt to their new circumstances

Answer 2

If the type of food available changes, then . . . certain bird beaks will increase in frequency . . . because . . . selective pressures are forcing the birds to adapt to their changing environment and gradually evolve to fit their available food source(s).