Answer:
Darwin's finches are a classic example of an adaptive radiation. Their common ancestor arrived on the Galapagos about two million years ago. During the time that has passed the Darwin's finches have evolved into 15 recognized species differing in body size, beak shape, song and feeding behavior.
Agriculture Baat contributes to climate change and is affected by climate change. DU needs to reduce its Greenhouse gas emissions from agriculture and adapt its food production systems to cope with climate change.