Body size varies among individuals and large parents tend to have large offspring.
The classic example of adaptations is the finches living in the Galapagos Islands.
Evolution
Size and shape of their beaks.
The finches on Galapagos Islands. Marsupials provide another example.
The Galapagos finches and the Galapagos tortoises.
Charles Darwin discover the finches in Galapagos in 1831. He noticed that the finches beaks were different compared to the finch's in Ecuador.
Galapagos finches
Darwin was puzzled about the many adaptations of the finches on the Galapagos Islands
The Galapagos Islands.
The finches that Peter and Rosemary Grant chose to study the Finches in the Galapagos because they are hybrid.
No, evolution has created different species of finches on the Galapagos Islands. There are 15 different species that are found on the Galapagos islands.
Darwin was puzzled about the many adaptations of the finches on the Galapagos Islands