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7 Cards in this Set
- Front
- Back
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Bryophytes |
Non-vascular. First lineage to diverge on land. Flagellated sperm. Dominant gametophyte stage. Sporophyte is dependent on gametophyte. Includes mosses, liverworts, and hornworts. |
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Lychophyta |
Earliest vascular plants. Horizontal, hair-like roots. Stems have cuticle and stomata. Tiny cylinder of vascular tissue. Spores with motile sperm. Dominant sporophyte SEPARATE from gametophyte. Includes Lycopodium, Selaginella, and Isoetes. |
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Pterophyta |
Includes the ferns and horsetails. Fern leaves are fronds (clustered sporangia). |
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Gymnosperms |
Naked seeds. Pollen grains with sessile sperm. Has an ovule. Includes Cycads, Ginkgos, Gnetophytes, and Conifers. The conifers are cone-bearers. Adapted for aridity. Needle leaves. Heterosporous. Many produce resin. |
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Angiosperms (Anthophyta) |
Flowering plants with enclosed seeds. Flowers have carpels in center. They protect ovule and become fruit. Better transport of nutrients. Double fertilization. Ovary protects ovule by fruit. |
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Monocots |
One cotyledon. Parallel veins. Scattered vascular tissue. Fibrous root system. Pollen with one opening. Floral organs in multiples of three. |
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Eudicots |
Two cotyledons. Net-like veins. Ringed vascular tissue. Taproot. Pollen with three openings. Floral organs in multiples of four or five. |
