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559612
Plants Tree of Origin
Description
Mind Map on Plants Tree of Origin, created by hannahrodrigues on 18/02/2014.
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Mind Map by
hannahrodrigues
, updated more than 1 year ago
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Created by
hannahrodrigues
over 10 years ago
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Resource summary
Plants Tree of Origin
NonVascular Plants
Liverworts
Hornworts
Mosses
Looks like they have roots, stem, leaves
no vascular tissue
need water for flagellated sperm
max height of 15-20cm
Important for moisture, mental rentantion
Toleration of disccation
Cooksonia (first vascular plant)
Seedless Vascular Plants
Ferns
Lycophytes
Vascular tissue
phloem for nutrient transport
xylem for H2O transport
First seed plants
Gymnosperms
Conifers
Monoecious (pollen & seed cones)
Cycads
Ginkgoes
Gnetophytes
Seed plants
Vascular
Don't release spores, but what they develop into
Angiosperms (flowering plants)
Class: Monocots
1 cotyledon in seed
root xylem + phloem in ring
vascular bundles scattered in stem
leaf veins form parallel pattern
flower parts in 3 and multiples of 3
Class: Eudicots
2 cotyledon in seed
root phloem between arms of xylem
vascular bundles in distinct ring
Leaf veins form a net pattern
Flower parts in 4 or 5 and their multiples
Cotyledon (seed containing nutrients for embryo)
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