Structural: Sharp claws to catch prey, Thick fur to retain heat, Long horns to defend against a predator, Camouflaged skin to hide from predators, Behavioural: Nocturnal to avoid predators, Showing feathers in mating ritual, Working together in packs to hunt prey, Chimpanzees using tools to pick up termites (insects), When it gets too hot leaving the sun to keep cool in the shade, Functional: The production of venom, Producing concentrated urine to reduce water loss, Lowering metabolism to hibernate to conserve energy,

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