Question

Which statement is the most reasonable testable prediction for the hypothesis: All birds can fly?

-observe all the birds outside your home for a week to see if they all can fly
-examine the list of all known species of birds and determine if any species cannot fly -Take a random sampling of five birds from around the world to verify that they can all fly

Answer 1

"Examine the list of all known species of birds and determine if any species cannot fly" would be the most reasonable answer.