The food that is available.
The shape of a finch's beak is different according to what food it eats.
do all finches have the same beak.
and food source
The finches beaks were modified by natural selection. The beak size and shape varied from island to island.
he saw that in the different places and things the finches ate made their beak a different size and shape to adapt to their surroundings
Finches have many different types of beak shapes. Their beak shape depends on what they eat. Some finches have some long thing beaks while other have short stubby beaks, it all depends on what they eat. Sources: Charles Darwin!
he saw that in the different places and things the finches ate made their beak a different size and shape to adapt to their surroundings
he saw that in the different places and things the finches ate made their beak a different size and shape to adapt to their surroundings
how finches use their beaks
the beaks adapted to what they ate. all the different beaks have different jobs
Anything that can vary, pretty much. Beak size Beak shape Body size Body shape Wing size Wing shape Feather color Eating habits Mating habits etc, etc.
The finches beak!!!