Functional adaptation
Guard hairs form waterproof barrier: seals
"Guard hairs may be flattened in shape; this adaptation is most marked among aquatic mammals such as seals, so it is evidently a waterproofing device." (Foy and Oxford Scientific Films 1982:83)
Learn more about this functional adaptation.
The guard hairs of seals form a waterproof barrier due, in part, to their flattened shape.
"Guard hairs may be flattened in shape; this adaptation is most marked among aquatic mammals such as seals, so it is evidently a waterproofing device." (Foy and Oxford Scientific Films 1982:83)
Learn more about this functional adaptation.
- Foy, Sally; Oxford Scientific Films. 1982. The Grand Design: Form and Colour in Animals. Lingfield, Surrey, U.K.: BLA Publishing Limited for J.M.Dent & Sons Ltd, Aldine House, London. 238 p.
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