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24 Cards in this Set
- Front
- Back
Vascular
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Having Xylem (pipes for water) and Pholem (conducts products for photosynthesis).
Ex. trees, flowers, bushes. |
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Osmosis
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The net movement of water across a selectively permeable membrane.
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Gametophyte
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- Haploid multicellular adult stage in the alternation of generations.
- Heart shaped 5-6mm (prothallus). - produce male & female gametes (N). - rarely see it (ex. moss - dominant). - Archegonia & Antheridia on underside |
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Fragmentation
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- Asexual reproduction
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Prothallus
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Heart shaped part of Gametophyte, 5-6mm
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Non-vascular
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no xylem (piperes for water) or pholem (nutrients)
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Thallus
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leaf-like, sunlight and water absorption (via osmosis because thin leaves)
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Haploid (N)
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contains half the chromosomes needed to make up a zygote, to become diploid (2N)
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Gemma cups
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fall off and grow new individuals: asexual form of reproduction
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Zygote
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initial cell formed when two gamete cells are joined (2N)
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Xylem
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the BIG tubes - transport water and minerals
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Rhizome
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stem-like, often grows underground
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Diploid
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A cell or an organism consisting of two sets of chromosomes: usually, one set from the mother and another set from the father.
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Pinna
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leaflets that form frond (fern leaf)
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Annulus
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- ring or group of thick-walled cells around the sporangia of many ferns that functions in spore release.
- dry up, pull back, and release spores |
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Pholem
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transports sugars made in leaves to rest of plant (small tubes)
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Rhizoid
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root-like, anchor to ground
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Archegonia
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gametophyte that produces female gametes
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Stomata
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Ferns - Openings for gas exchange (pore things)
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Alternation of generation
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the life cycle of ferns and mosses.
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Cuticle
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waxy layer that helps conserve water that moss don't have
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Sporophyte
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- adult stage (2N) - generation dominant in ferns (fronds)
- form from fertilized gametes |
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Antheridia
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gametophytes that produce male gametes
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Sori
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sporangia clusters that form on underside of frond
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