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25 Cards in this Set
- Front
- Back
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Green algae share with modern plants |
Chlorophyll a and c, caratenoids and xanthophylls. Store excess carbs as starch.. Cellulose major component of their cell walls |
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Tracheids |
Are cells that are specialized to facilitate the transport of water and minerals |
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Common characteristics of land plants |
All protect their embryos and have multicellular haploid (n) and diploid (2n) phases |
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What are some plant adaptations to land? |
Waxy cuticle to prevent desiccation.. Tiny pores called stomata.. Leaves to increase photosynthesis and dominant diploid generation plus structural support |
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What are some major group of plants |
Non vascular land plants Seed less vascular plants Gymnosperms Angiosperms |
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Bryophytes |
Mosses Have no true roots stems or leaves Absorb and hold water well
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First known vascular plant? |
Cooksonia 420 million years |
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Define xylem and phloem |
Xylem conducts water and dissolved minerals upwards from root Phloem conducts sucrose and hormones |
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Phylum lycophyta |
Club mosses |
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Horsetails |
Dominant plants 300 million years ago About 15 species survive today equisetum Have true roots stems and small leaves Used to scrub out pots and pans |
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Gymnosperms |
All lacked flowers and fruits and rests exposed |
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Phylum coniferophyta |
Conifers includes pines firs cedars and hemlocks |
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What is the tallest vascular plant and oldest living trees |
California redwood Bristlecone pine |
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Phylum gnetohyta |
65 living species most bizzare is welwitschia and includes ephedra |
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Phylum ginkophyta |
Ginkgo biloba, have seperate female and male trees |
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Extinct angiosperm fossil in china |
Archaefructaceae |
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Most basal living angiosperm |
Amborella trichopoda, primitive water lillies |
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The different classes of angiosperms |
Archaefructus Amborella Waterlillies Eudicots Star anis Monocots Magnolids |
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Female parts of flower |
Carpel |
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Male parts of flower |
Stamen |
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Pidicel |
Flower originates as a bud |
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Receptacle |
Flowers are attached to |
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Whorls |
Circles that develop into sepals and petals |
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Sepals |
Protect flower usually green like |
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Petals |
Colored to attract pollinators and protect organs |
