Darwin studied actual birds on the Galapagos Islands instead of using a simulation, as you did in this lab. Studying natural selection in the field can be challenging. List at least three possible challenges Darwin might have faced.

Answer:

Traits other than beak type might affect natural selection; it could take many generations to observe adaptations in a population; the environment may be complex and hard to study; changes in the environment may occur faster or slower than changes to the birds; the birds may be interdependent with other organisms that may change, too.