Beaks of finches lab

What characteristics of your beak interfered with feeding sucess

If you didn't squeeze hard enough the seeds would fall out

What traits besides beak characteristics that can contribute to the ability of a finch to complete successfully

Fast speed, wings to fly over others, good eye sight

What are 3 beak variations that could randomly appear and improves a species chances of survival when feeding on small seed

Flexibility, faster, bigger

Why did some beak types survive on the island with large seeds but not on the original island

They had characteristics that made them able to grasp large seeds

Where those succeful in round 1 survive equally well with compettion in the second round

No, it was harder to get food with more compettion

Why were there fewer survivors on round 3

More compettion

Were the beaks as successful on the new island with large seed than the original island with small seeds

No, size differences in seeds favored different types of beaks

Variation in finch beaks

The beaks were different shapes

Compettion for finch survival

More than 1 bird fed at a time

Struggle for survival for finches

The birds struggled since there wasn't enough food

Adapatation in finch beaks

Some birds had beaks adapted for small seeds

Environment for lab

Students,seeds,dishes

Selecting agent in lab

Type of seed

How could you used materials provided in this lab to test your explanation

Put large and small seeds in a dish.Run trials with the survivors. Make all beaks it from the same dish