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45 Cards in this Set
- Front
- Back
a plant needs:
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sunlight
water& minerals gas exchange movement of water and nutrients |
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four main groups of plants:
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moss & their relatives
ferns & their relatives cone-bearing plants flowering plants |
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characteristics of plants
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multicellular eukaryotes
cell walls made of cellulose develop multicellular embryos carry out photosynthesis using the green pigments, chlorophyll A and B. |
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division of kingdom based on:
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water-conducting tissues
seeds flowers |
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phylum name for seedless nonvascular plants
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bryophyta
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bryophyta: vascular or nonvascular
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nonvascular
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bryophyta: seeds or seedless?
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seedless
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bryophyta: true..
roots? stems? leaves? |
no, no, no
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rhizoid
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long thin cells that anchor them in the ground and absorb water and minerals
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gemmae
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small multicellular reproductive structures
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groups in bryophyta:
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mosses, liverworts, hornworts
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environment of moss:
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swamps and bogs, near streams and in rain forests; adapted in wet habitats and nutrient-poor soils
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importance of moss
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sphagnum act as natural sponge; peat moss used in gardening
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phylum name of seedless vascular plants:
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pterophyta
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pterophyta: nonvascular or vascular?
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vascular
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pterophyta: seeds or seedless?
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seedless
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pterophyta: true..
roots? stems? leaves? |
yes yes yes
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rhizomes
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underground stems
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fronds
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large leaves
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groups of pterophta;
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club mosses, horsetails, ferns
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environment of a fern:
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little light; wet or seasonally wet habitats
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vascular seed plants
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gymnosperms
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gymnosperms means;
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bear their seeds on the surface of cones
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gymnosperms: vascular or nonvascular?
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vascular
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gymnosperms: seeds or seedless?
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seeds
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gymnosperms: true...
roots? stems? leaves? |
yes, yes, yes
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cones
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seed-bearing structure of gymnosperms
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pollen grain
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a tiny structure that contains a male gametophyte
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seed
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embryo of a plant encased in a protective covering
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gnetophyta is commonly called:
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gnetophytes
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cycadophyta commonly called
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cycads
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ginkgophyta commonly called
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ginkgoes
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coniferophyta commonly called
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conifers
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which is the most common gymnosperm?
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conifer
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where are the reproductive scales of gnetophytes found?
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clustered into cones
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what do cycads look like?
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palmlike plants
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why is the ginkgo tree sometimes called a living fossil?
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looks similar to its fossil ancestors
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environment of conifers
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cool, moist, sandy
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phylum name of angiosperms
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anthophyta
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anthophyta: vascular or nonvascular
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vascular
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angiosperms: seedless or seeds?
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seeds
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angiosperms: true..
roots? stems? leaves? |
yes, yes, yes
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flower
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contains ovaries - surround and protect seeds
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fruit
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a wall of tissue surrounding the seed
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ovary
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protects seed and aids in its dispersal
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