Pollination (Leaving Cert Biology): Flashcards
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Definition of pollination
Definition of pollination
Transfer of pollen from anther to stigma of same species
Self-pollination meaning
Self-pollination meaning
Anther & carpel on same plant
Offspring from self-pollination
Offspring from self-pollination
Weaker
Cross-pollination meaning
Cross-pollination meaning
Anther & carpel on different plants
Offspring from cross-pollination
Offspring from cross-pollination
Stronger and healthier
2 methods of cross-pollination
2 methods of cross-pollination
Wind and animal (including insects)
Wind pollination: pollen traits
Wind pollination: pollen traits
Huge amounts, small, light
Animal pollination: pollen traits
Animal pollination: pollen traits
Smaller amounts, large, sticky
Wind pollination: petal features
Wind pollination: petal features
Small, green, no scent, no nectar
Animal pollination: petal features
Animal pollination: petal features
Large, coloured, scented, nectar
Wind pollination: anther position
Wind pollination: anther position
Large, outside petals
Animal pollination: stigma traits
Animal pollination: stigma traits
Smaller, rounded, inside petals
Examples of wind pollinated plants
Examples of wind pollinated plants
Grasses, conifers, oak
Cause of hay fever
Cause of hay fever
Reaction to pollen grains
Hay fever treatments
Hay fever treatments
Antihistamines & decongestant drugs
