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.