Lesson 3: Darwin and his Finches Flashcards
what did Charles Darwin set sail on a journey to do?
- he was recommended as the voyage’s naturalist by his former professor, and went on the mission to survey and map the coastal waters of South America for the British navy
what did darwin exactly do while he was travelling
he observed, recorded, and collected specimens of rocks, minerals, plants, and animals
what did darwin find in the galapagos islands
- nesting blue-footed boobies that have no fear of humans
- iguanas that could dive underwater to eat seaweed
- giant land tortoise
what did darwin learn as he collected specimens in this island?
he learnt that there were not variations of the same species but each were unique species
- most famous example of this observation was Darwin’s Finches
what did darwin notice about the finches as he collected them?
he came to the conclusion that they descended from one species
- he noticed that over a long period of time the birds beak’s have changed- each was adapted to the kind of food available in their local area
what did charles darwin develop from this conclusion (from the finches)
he developed a theory of natural selection