Pollination (Grade 11 NSC Matric Life Sciences): Flashcards
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10 cards from this deck
Pollination definition
Pollination definition
Transfer of pollen from anther to stigma
Self-pollination
Self-pollination
Pollen moves within same flower or between flowers on same plant
Cross-pollination
Cross-pollination
Pollen moves between different plants of same species
Why is cross-pollination important?
Why is cross-pollination important?
Creates genetic diversity for better survival & adaptation
What is nectar?
What is nectar?
Sugar-rich liquid produced to attract pollinators
Insect-pollinated flower features
Insect-pollinated flower features
Large petals, bright colours, nectar, sticky pollen
Bird-pollinated flower features
Bird-pollinated flower features
Red/orange, larger, robust, dilute nectar, little scent
Wind-pollinated flower features
Wind-pollinated flower features
Small, inconspicuous, feathery stigmas, enormous light pollen
Stigma shape in wind-pollinated flowers
Stigma shape in wind-pollinated flowers
Long and feathery to catch airborne pollen
Pollen type: animal vs wind pollination
Pollen type: animal vs wind pollination
Animal: sticky, moderate. Wind: smooth, enormous amounts
