An agricultural biologist examines the floral morphology of a newly cultivated crop species to determine its primary pollination mechanism. The flowers are small, lack petals and nectar, possess long pendulous filaments bearing abundant light, smooth pollen grains, and feature feathery, exposed stigmas. Based on these observed structural adaptations, what is the primary mode of pollination for this species?
- Anemophily, because lightweight pollen grains and feathery stigmas facilitate wind transport and pollen captureCevap
- BEntomophily, because feathery stigmas and smooth pollen grains are specialized adaptations to adhere to foraging insect legs
- CHydrophily, because exposed filaments and dull bracts function exclusively for pollen dispersion in aquatic currents
- DOrnithophily, because pendulous filaments attract perching birds to transfer pollen between floral bracts
Cevap
Anemophily, because lightweight pollen grains and feathery stigmas facilitate wind transport and pollen capture
The correct answer identifies wind pollination (anemophily). Wind-pollinated flowers lack colorful petals, scent, and nectar to conserve energy, producing large quantities of smooth, lightweight pollen that float easily in air currents, while exposed feathery stigmas maximize the surface area for trapping floating pollen.
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Anahtar Kavram
Structural adaptations of anemophilous (wind-pollinated) flowers