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Compare The Necks And Shells Of The Two Galapagos Tortoises Shown Here. How Could Both Necks And Shells Be An Adaptation To The Environment? Construct A Possible Explanation.. Minor differences distinguish the galápagos tortoises on each island. Tortoises from pinzn island (formerly duncan.
Learn about the three main shapes of galapagos tortoises: Tortoises from pinzn island (formerly duncan. In contrast, tortoises on smaller, drier.
On one island, the tortoises had short necks and a shell that did. Additionally, genetic analysis has revealed that. See how their shells and necks are adapted to their habitats and behaviors.
Galapagos tortoises have evolved different shell shapes based on their environment. The images show two different types of galapagos tortoises that scientists believe descended from the same species. But there are also two basic types, adapted for different feeding habits.
In the three examples shown, both the abingdon and duncan forms feed on cactus on dry islands, whereas the albemarle form feeds on vegetation closer to the ground on a wetter island. On the galapagos islands, darwin observed differences in the necks and shells of the tortoises that lived on different islands. In contrast, tortoises on smaller, drier.
Galápagos tortoises possess two main shell forms, domed and saddleback, that correlate with the biogeographic history of this species group.
