Pollen grains of flowering plants are protected because of a stable, rot-resistant outer rind.
"The outer rind that carries [pollen grains] is composed of a substance so stable and so resistant to rotting that it may survive for tens of thousands of years and still be recognisable." (Attenborough 1995:95)
Learn more about this functional adaptation.
- Attenborough, D. 1995. The Private Life of Plants: A Natural History of Plant Behavior. London: BBC Books. 320 p.
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