V 26 -Flowering plant diversity-structure

V 26 -Flowering plant diversity-structure - Fun Fact of the...

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Selective pressures for plants to develop relationship with pollinators >900 species of Ficus, almost all pollinated by its own species of agaonid wasp Fun Fact of the day Seed Dispersal Seed dispersal systems account for almost 30% of all mutualisms In tropics some fruits are dispersed by birds that are frugivorous Fruit provides balanced diet for birds Birds disperse seeds Seed Dispersal Seed dispersal systems account for almost 30% of all mutualisms In tropics some fruits are dispersed by birds that are frugivorous Mechanisms for attraction Birds and mammals -attractive colors, and odorless (Birds) Nocturnal bats -give off pungent odor
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10-1000 ppm 20,000 ppm Seed dispersal mechanisms are not as obligatory as plant-pollinator systems Performed by more generalist agents Wide array of adaptations Ex. parrot beaks to crack and peel fruits Seed Dispersal Seed dispersal mechanisms are not as obligatory as plant-pollinator systems Performed by more generalist agents
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