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44 Cards in this Set
- Front
- Back
Sporophyte sporangia produce...
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Spores
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Bryophytes need water to...
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Reproduce
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dominant generation in mosses/ferns
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gametophyte/sporophyte
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produces sperm in Bryophytes (moss)
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antheridium
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multicellular, eukaryotic, have cell walls, photosynthesize, 2 phase life cycle
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characteristics of all plants
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Bryophyte "root"
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rhizoid
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do not need water for fertilization
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seed plants
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first land plant evolved from...
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multicellular algae
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water conducting vascular tissue
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Xylem
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Bryophytes move water only a few centimeters because the have no...
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vascular tissue
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reproductive structure of gametophyte gymnosperm
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cones
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plant part that is a good food source
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dicot taproot
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parallel veins, 1 cotyledon, fibrous roots, 3x petals
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monocot
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angiousperm with longest life cycle
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perennial
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location of secondary growth in dicots
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vascular and cork cambium
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separates 2 classes of angiosperms
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# of cotyledons
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outer covering of plant
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dermal tissue
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transport materials between roots and leaves
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stem
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angiosperm with a 1 year life cycle
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annual
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parts of a root vascular cylinder
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Xylem and Phloem
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cuticle and closed stomata
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prevents transpiration (water loss)
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where gas exchange occurs in a leaf
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stomata
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water pressure changes regulate...
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guard cells
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location of reproductive in angiosperms
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flowers
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year resulting in a thin tree ring
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drought (unfavorable conditions)
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when seed embryo isn't growing
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dormancy
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location of photosynthesis
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mesophyll
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old, nonfunctioning xylem
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heartwood
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a ripened ovary with seeds
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fruit
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what male reproductive structures produce
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pollen
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cell elongation hormone in apical meristem
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auxin
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affects growth of a seedling
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phototropism and gravitropism
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use for high concentrations of auxin
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herbicide
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plants in soil with little nitrogen
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carnivorous
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causes fruit to ripen
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ethylene
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after dormancy, seeds germinate when...
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conditions are ideal
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plants responding to external stimuli
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tropism
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removing apical meristems encourage
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lateral budding
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a natural insecticide in tobacco plants
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nicotine
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how desert plants soak up rain quickly
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extensive shallow roots
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phototropism and auxin cause...
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plants to bend toward light
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plants growing on another plant
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epiphyte
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responding to length of day or night
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photoperiodism
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vegetative propagation (genetically identical offspring) includes...
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stolons (horizontal stems) and plantlets
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