caption: Darwin noticed that the tortoises had variations on different islands.
exif: {"Image DocumentName": "Darwin noticed that the tortoises had variations on different islands.", "Image ImageDescription": "On the well-watered islands, the tortoises had normal shells like at left. On dry islands, the tortoises had a notch in their shell allowing them to feed on vegetation higher, by craning their necks up to reach the leaves (bottom left and right). 2) What main mechanism for evolution did Darwin present 3) Explain the differences between Lamarck and Darwin\u2019s mechanisms for evolution.", "Image XResolution": "200", "Image YResolution": "200", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}