Question

explain why variation is essential to the long term survival of finches in the Galapagos Islands.

Answer 1

Answer:

• finches came from another island . and get isolated their. because of lots of food present in their on Island . but they are of not that habitat. but after some year food become . nonsufficient to them .so they adapt on different food chain. by evolving their beak change according to their food

Explanation:

• they have to adappt themselves according to that habitat .
• so, some of them became frugivores, some feed on small insect