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Who am I? I sailed to the Galapagos, islands My ship was the Beagle and my theories have led to controversy! Finch Beagle Galapagos.

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Presentation on theme: "Who am I? I sailed to the Galapagos, islands My ship was the Beagle and my theories have led to controversy! Finch Beagle Galapagos."— Presentation transcript:

1 Who am I? I sailed to the Galapagos, islands My ship was the Beagle and my theories have led to controversy! Finch Beagle Galapagos

2 By the end of the lesson ALL students should be able to: Travel around the Galapagos islands then investigate and draw finch beaks using food source on the island By the end of the lesson MOST students should be able to: Recognise that the beak shapes are varied on different islands depending on the type of food available By the end of the lesson SOME students should be able to: Explain using keywords given how the beak shapes have evolved over the years Year 10

3 Evolution

4 Evolution is how plants and animals have adapted to survive in their environment over many years. This may mean that the way they look or behave has changed to help them suit their environment better.

5 Where are the Galapagos islands? GALAPAGOS

6 Our journey around the Galapagos islands We will follow in the footsteps of Charles Darwin. You will travel around 4 islands. These are called Santa Cruz island Pinta island Fernandina island Santiago island On your worksheet write down the food supply on the island. Use the 4 different instruments on your island to pick up the food. These instruments represent beak shape of finches. Draw the shape of the beak you think each finch has got! EXTENSION ACTIVITY if completed

7 WHICH FINCH BELONGS TO WHICH ISLAND?

8 PINTA ISLAND. WIDE TO EAT LARGE FRUIT FERNANDINO ISLAND. SIIMILAR SHAPE BUT SMALLER FOR SMALL FRUIT SANTA CRUZ ISLAND. JUST WIDE ENOUGH TO PICK UP WORMS FINE POINT TO PICK UP SEEDS

9 WHAT WAS DARWINS THEORY? 1. Variation in species 2. Far too many young are produced so there is a competition for food water and those best adapted will survive ‘survival of the fittest’

10 3. Those that survive pass on genes (in nucleus) 4. Over millions of years it may lead to a new species. Less adapted may become extinct 5. Sometimes mutations (change in the DNA can occur…can be advantage or disadvantage)

11 Evolution of the blob game! YOU ARE A BLOB. YOU WILL SLOWLY EVOLVE. LETS SEE IF YOU SURVIVE

12 Your environment has changed... Either:- Flap your arms to represent wings Wave a fin over your head to swin Stamp your feet to represent speed

13 YOUR ENVRONMENT WAS THE OCEAN. ALL THE FINS SURVIVE. YOU ARE NOW A BLOB WITH FINS

14 Your environment has changed.... Choose a colour you want to be:- GREEN YELLOW BLUE

15 THE ENVIRONMENT WAS SEAWEED. IF YOU ARE GREEN YOU SURVIVED DUE TO YOUR CAMOUFLAGE

16 Your environment has changed... Either Make goggles with your hands to represent excellent vision Pull your cheeks to represent sense of vibrations Cup your ears to represent great hearing

17 YOUR ENVIRONMENT IS THE SEABED! EVERYONE WITH GOGGLES SIT DOWN AS YOU WOULD NOT BE ABLE TO SEE DOWN THERE... VIBRATIONS AND HEARING WOULD SURVIVE.. WELL DONE YOU SURVIVED!!


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