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25 Cards in this Set
- Front
- Back
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aboitic vs biotic
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wind and water vs insects, bats, mammals
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wind pollination
advantage, disadvantage, common where |
-advantage: no need to attract
-disadvantage: self-fertilization -not in rainforests -common in pairies, boreal forest, decidous temperature forests |
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biotic pollination (stregties of pollinator and plant)
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plants want few rewards, less petal scent, get right pollen, want to fly to other plants
-pollinator: minimize flying, more rewards, easy to find plants |
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trends of:
early succession plants temperates tropics |
-wind dispered
-gravity and wind -lots of rain, many animals |
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advantage of wind and water
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-wind-winged and pappus (must have small seeds
-water: long distance possible, float by having air trapped or air spaces in fruit |
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disperal between islands
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-bird dispersal is best
-wind dispersal is poor |
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seed predators
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some seeds escape from forgetness lots get disgested.
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accessory fruit
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fleshy part is derived not from the ovary but from some adjacent tissue (strawberries)
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parthenocarpic fruits
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fruit has no seeds (seedless watermelon)
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simple fruits
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fruit develops from one carpel (blueberries)
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aggregate fruits
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fruit forms from separated carpels of one gyncoium (strawberries)
-multiple fruits with seeds from different ovaries of a single flower |
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mutliple fruits
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inflorescence pushed together
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berries
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inner wall fleshy, several carpelss with many seeds (tomate, green pepper)
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drupes
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inner layer of fruit is stony, usually one seed in carpel - coconut
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pomes
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from infrior ovary, fleshy part comes from perianth (petals and sepals)
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hespiridium
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berries with a rind (oranges)
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pepos
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berries with hard skin (pumpkin)
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superior ovary
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petals and sepals are on top of integ.
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inferior ovary
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petals and sepals on top of ovary
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dry simple fruit
dehiscent indehiscent |
-tissues break open and seed come out
-tissues doesn't break open |
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follicle (simple dry fruits)
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from one single carpel, splits down from one side
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legumels (simple dry fruits)
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split down both sidess (peas)
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silique (simple dry fruits)
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-two fused capelss
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capsule (simple dry fruits)
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-two or mor fused carpels
-split in a varity of ways |
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indehiscent fruits
achene grasses nuts |
-small single seed, seed coat seperate from seed (sun flower seed)
-pericap fused with thin seed coat, usually one seed -hard/bony pericarp |
