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31 Cards in this Set
- Front
- Back
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Reason for angiosperm success |
Structural diversity, efficient vascular system, mutuality with animals for pollination, short generation times. |
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Difference between angiosperm and gymnosperms |
Angiosperms have fruit and flowers to hold seeds, scatter further. Gymnosperms have naked seeds. |
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Use of vascular system |
Distribute water and nutrients to cells. |
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Define cotyledon |
Dot k ow |
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Define lignin |
A tissue. 25% material in cell walls |
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Define stele |
Contains vascular tissue in lycophytes |
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Define stipe |
Stem of algae |
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Define blade |
Leaf of algae |
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Define holdfast |
Root structure of algae |
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Why can algae not live on land |
Need water or support, nutrient absorbed through cell wall from water, sperm needs water |
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What is a vascular system made up of |
Phloem and xylem |
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Function of a cuticle |
Reduces dehydration |
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Define microphyll |
Lycophytes leaves |
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Types of algae |
Flat, colonial, filaments, macro, micro |
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Reproduction of algae |
Vegetative, asexual, sexual |
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Bryophyte |
Moss |
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Define xylem |
Tissue that conducts water from root to leaves. Has rigid cell wall |
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Define phloem |
Inside xylem. Transports proteins and sugars do lycophytes have vascular tissue |
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Define strobili |
Lycophytes cone structures that hold spores |
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Do lycophytes have vascular tissue |
Yes |
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Lycophytes |
Oldest phylum of vascular plants . 400mya. Mostly wet environments. |
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Can lycophytes reproduce without water |
No, sperm needs to swim |
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How do lycophytes avoid drying out? |
Xylem transports water |
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How do lycophytes support themselves on land |
Steles provide support |
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Lycophytes body parts |
Strobili, sporophyte body, microspore on top of megaspore |
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Types of algae |
Liverworts, hornworts and mosses |
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Body parts of mosses |
Rhizoids, gametophyte, leaf like structures and capsule that holds spores |
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Alternation of generations |
Alternate doubling and halving of chromosomes in bryophyte and pterophytes |
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Define homosporous |
Produce spores of only one kind |
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Define pterophytes |
Ferns |
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Dominant pterophytes stage |
Sporophyte |
