How does the pancreas regulate blood glucose concentration, and what roles do insulin and glucagon play in maintaining stable levels?

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How does mimicry in plants work to protect them from animals?

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Why do some plants have leaves that droop or curl when touched, and how does this defend the plant?

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How do thorns and hairs help deter animals from damaging plants?

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What mechanical adaptations do plants have to defend themselves?

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In what ways do plants use poisons as a defense, and who are they intended to deter?

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How do antibacterial chemicals protect plants from pathogens?

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What are chemical defense responses in plants, and how do they function?

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How do layers of dead cells, like bark on trees, help protect plants?

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What role does the waxy cuticle on leaves play in plant defense?

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