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What determineswhatpollinates a flower? Why?
Some are __ while others are __
the way they look; they evolved FOR insect flies
Some are self-compatible(not the best situation; the pollen has to come from a different flower)
others are self-incompatible
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Attraction for pollinators
- nectar
- pollen
- edible flower parts
- insects in the flower
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What pollinates flower?The firstpollinators were __.
beetles
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What attracts beetles?
- flowers large or small clusters
- white or light in color
- strong odor
- inducements for the beetle
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What attracts carrion beetles or flies?
dull red or brown color for the flowers
texture is wrinkled
smell awful (resemble rottingmeet)
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Bees
most imp.
brightly colored petals, often blue or yellow
"honey guides" sometimes only seen with UV light (located on the leaf)
delicate, sweet odor
produce nectar; nectary sometimes at base of petal-tube accessible only to specific insects
snapdragons open only with the right weight of bee
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Butterflies
flowers red or orange; butterflies see red
active during the day
brightly colored
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Moths
active at night; some during the day
white or light colored so they stand out atnight
may open only at night
heavy odor, sweet, and penetrating, emitted only after sundown
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Bird
- little to no odor
- long and tubular (excludes insects)
- primarily red
- lots of nectar
- stamens and pollen exposed
- hummingbirds
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Bats
- tropics
- elongated muzzles, long tongues, reduced or missing front teeth
- flowers large and strong
- copious nectar
- dull in color
- open only at night
- strong fermenting or fruitlike odor
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Other
- large and sturdy, smaller if in groups
- dull colorif active at night
- pungent
- copious nectar
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win
- temperate
- separate flowers
- small flowers
- plants reduced/absent
- dull in color (no need since wind does it; no need for attraction)
- lots of pollen
- large stigmas
- no nectar
- ovary has single ovule
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