Study the picture of the birds. These birds are all types of birds found in the islands of Hawaii and they all evolved from a common ancestor. How did these birds come to look different?
A) Some offspring were born with slight genetic differences from parents that proved to be an advantage in their current environment.
B) Adult birds faced with a challenge grew different beaks and other traits to fit their environment.
C) Scientists most likely altered their DNA to help them survive.
D) Birds passed on acquired traits to offspring.