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28 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Cone-like clusters of leave bearing sporangia?
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Strobili
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sounds like a pasta
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what is required for seeds?
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Heterospory
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A structure that includes a dormant plant embryo and a store of food packaged together within a protective coat.
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seed
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What is a seeds protective coat from?
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Megasporangium
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________ are the primary means or reproduction and _________ of seed plants.
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Seeds ; despersal
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True of false, Seeds are reproductively superior to spores on land?
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True
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Why are seeds superior to spores for land reproductivity?
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-Protective seed coat
- A dormant plant with leaves already formed(embryo big head start) - A food supply |
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What are the two groups of seed plants?
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Gymnosperms and Angiosperms
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What does Gymnosperm mean?
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Naked seed
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Are gymnosperms vascular or nonvascular?
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Vascular
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What is the difference between vascular plants and non vascular plants?
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Vascular tissue is a conducting system for water minerals, and sugars.
NONVASCULAR are always seedless, they only use spores for reproduction. - They lack true roots -Dominate gameophyte generation |
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what are 3 things good to know about gymnosperms?
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_ Vascular plants
- Produce seeds - Produce wind born pollen grains(MALE GAMEOPHYTES!) |
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Obviously pine trees are the largest clade of Gymnosperms, what is the name for evergreen aka pine?
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Conifers
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What does monoecious mean?
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It means that a plant has both male and female reproductive parts on the same plant. akk
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What is a Cyad
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The trees Beth and Mark have, so they are palmtree like, and they have strobili coming out of the top, so pollen and seeds.
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Are Cyads Monoecious?
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no... They are dioecious, aka they have male and female structures on different plants.
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What is weird about the Cyad and Ginko Biloba sperm?
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It has vestigial flagellate
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Which species did we talk about that is the only surviving species in its clade?
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Ginko Biloba
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What kind of plant is conifers? (Monoecious or dioecious)?
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monoecous
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Ginko Biloba female produce what?
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fleshy seeds... and they smell horrible apparently
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What species had a flower that is known as Mormon tea?
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Gnetophytes
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Traits of Gnetophytes?
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- Vessel elements(efficient water conducting cells in xylem?
- Some have flowerlike cones -most are diocious -Like conifers, have non motile sperm |
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Angiosperm means what?
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seed with a coat, aka flowering plant
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What sexual orientation do many angiosperms have?
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Bisexual . THEY ARE
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Are angiosperm vascular?
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YES. they produce flowers and seeds too
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what plant group is the most diverse and most successful
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Angiosperms
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What is the largest clade of angiosperms?
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eudicots
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Second largest clade? kind of a weird name for 2nd...
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monocot.
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contradictory of 2nd
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