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8 Cards in this Set
- Front
- Back
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the most familiar gymnospers are the
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conifers i.e pine trees
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four phyla of gymnosperms
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Ginko, cycads, Gnetophytes, Conifers
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the term confier comes from
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the reproductive cone which is a cluster of scale-like spopophylls
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amongst the largest and oldest organisms on earth
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coniferious trees
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three key adaptations to terrestrial life in seed plants
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increased dominance of the sporophyte, seeds for survival and dispersal, pollen as an airborne agent eliminating the need for water
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each tree usually has ___ and ____ cones
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male and female
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small pollen cones produce
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male gametophytes, or pollen grains
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large ovulate cones make
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female gametophytes
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