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Birds’ beaks resemble the mouths of mammals, but they have no teeth, and are covered with horn that is constantly regrowing to counteract its wearing down. A beak serves above all as a means of catching food, but also used for defense, for attracting a partner and for cleaning and smoothing feathers.
Its form is, above all, an adaptation to the dietary regime of the bird.
- To link the form of the beak to the dietary regime of a bird.
- To identify the anatomical characteristics (beaks, feet, digits) of the great families of birds (birds of prey, waders, aquatic birds, insectivores, granivores, herbivores).
- To introduce the Theory of Evolution of Species.
The form of a beak demonstrates an adaptation to a dietary regime:
- The beak is short, robust and hooked among the birds of prey, enabling them to tear apart meat.
- The beak is massive and…
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