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16 Cards in this Set
- Front
- Back
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spores
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Are the product of meiosis
-alternation of generations: in plants the multicellular sporophyte (2n) and gametophyte (1n) |
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sporophyte
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(2n) produces spores
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Spores
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(n) grow into gametophytes
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gametophyte
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(n) produces gametes
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gamete
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(n) fusion results in zygote
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zygote
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(2n) grows into sporophyte
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bryophytes
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-non-vascular land plants
Example: mosses, hornworts, liverwurst -small, grow closely together to form mats/cushions -found of greet trunks, soil, rocks -spores require water to disperse, germinate -female and male gametophyte --archegonia --antheridia |
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Life cycle of a moss
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Pteridophytes
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-vascular
-female and male gametophyte -spores require water to disperse, germinate |
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Sporophyte grows out of gametophyte
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sorus
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-cluster of sporangia (structures producing and containing spores)
-form a yellowish/brownish mass under a fern frond |
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indusium
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A film of tissue that protects a sours during development
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Flower anatomy
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angiosperm life history
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prepared sample of fern antheridia
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prepared sample of mature sporangia
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