BATTLE OF THE BEAKS
four different types of beaks (scissors, scalpel, peg, toothpick) –
four different types of food sources (pasta, marbles, peas, rubber bands for worms)
a cup ‘stomach’ for each student
Timer (20 secs per island)
Four different trays one for each island
A method to tally amount collected to compare ‘fittest’ beak for each available ‘food source’ (selection pressure)
This is a long and thorough, though understandable paper on finches. worth reading in class