On the Galapagos Islands, Darwin also saw several different types of finch, a different species on each island. ... Finches that ate small nuts and seeds had beaks for cracking nuts and seeds. Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks.
During early civilization, the main source of fresh water was from a river. Nowadays, we have reservoirs and lakes to get fresh water. <span />
This is Adaptation !
An adaptation is when an animal adapts or evolves to it's environment.
^ There are more uses for the word Adaptation but in this example this is correct. Hope this helps !!!
The correct answer is dehydration. Hope this helps.
