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24 Cards in this Set
- Front
- Back
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what are the 2 kinds of seed plants?
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gymnosperms and angiosperms
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gymnosperms
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seeds aren't inclosed
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angiosperms
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seeds are inclosed
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most gymnosperms are....
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evergreens
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angiosperms are....
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disiguose
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monocots
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1 cotyledon
parallel veins |
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dicots
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2cotyledons
net-like veins |
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annuals`
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live only 1 growing season
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biennials
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live for 2 growing seasons
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perennials
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mature during 2nd growing season and continue year to year
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organs that anchor plants
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roots
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xylem and phloem
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the two types of vascular tissue in roots
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xylem
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carries water
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phloem
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carries food
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thread-like extentions
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root hairs
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2 kinds of roots
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tap roots and fiberous roots
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tap roots
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anchor well
grow straight down |
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fiberous roots
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spread out
don't anchor very well |
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2 kinds of stems
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herbacious
woody |
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2 main parts of leaves
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blade
petiole |
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2 kinds of leaves
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broad
needle |
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2 basic shapes of broad leaves
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simple
compound |
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simple
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single undivided
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compound
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bled is divided into several parts called leaflets
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