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51 Cards in this Set
- Front
- Back
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leaf
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usually green, flattened structure attached to a stem
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root
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usually underground portion of a plant
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stem
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main ascending axis of a plant
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fruit
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ripened ovary of a seed bearing plant
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vascular plant
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larger plants that do photosynthesis at the leaves and stems
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nonvascular plant
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small plants with no vessels
examples: liverworts, hornworts and mosses |
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lichen
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fungus that grows symbiotically with algae
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horsetail
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nonflowering plant, jointed hollow stem and narrow leaves
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fern
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numerous flowerless seedless vascular plants
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seed
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ripened plant ovule containing the embryo
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monocotyledon
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has a single cotyledon
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dictoyledon
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2 embryonic seed leaves that appear at germnination
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annual
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living for only one year or season
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perennial
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living for 3 or more years
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biennial
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life cycle that takes 2 years to complete
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photosynthesis
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process in green plants where carbs are synthesized using light as an energy source
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photoautotroph
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organism capable of synthesizing its own food
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xylem
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supporting and water conducting tissue
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phloeum
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grasses native to temperate regions
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root hair
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thin hairlike outgrowth of epidermal cell
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hormone
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similar substances that regulate development
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auxin
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promotes cell elongation, if there is no auxin, ripe fruits drop to ground and trees loose leaves-acts locally only.
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gibberellin
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causes elongation and enhances fruit formation
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cytokin
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stimulates cell division
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ethylene
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promotes ripening of fruits. used by farmers to ripen fruits that were picked unripe
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tropism
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reponse to the external stimulus
-phototropism:growth toward light -gravitropism: growth toward gravity -thigmotropism:growth response to touch |
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nastic movement
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movemnt that is not in the direction of the stimulus
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alternation of generation
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reciprocal successcion of things in time and place
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vegetative propogation
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reproduce and transmits traits from one generation to another.
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cuttings
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where the leaf or stem is cut and removed, root into an entire new plant
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petal
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brightly colored part of a flower surrounding reproductive organs
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stigma
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mark, spot, pore
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style
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slender, tubular, bristlelike
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ovary
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ovule bearing lower part of pistil that ripens into a fruit
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pistil
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female, ovule bearing organ of a flower
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stamen
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pollen producing organ of a flower
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anther
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pollen bearing part of stamen
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filament
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stalk that bears the anther in a stamen
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sepal
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spearate, usually green parts forming calyx
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photoperiodism
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responses to changes in photoperiod
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grafting
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unite with a growing plant by insertion or close contact
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pollen
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fine powder like material consisting of pollen grains produced by anthers of seed plants
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hypa
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thread like filaments forming mycelium of fungus
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mycelium
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vegetative part of a fungus
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budding
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small round organic part
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spore
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single cell reproductive body, highly resistant to heat, can grow to new organism
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mychorrhizae
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a mutualist that helps 80-95% of plants obtain nutrients
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gill
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thin platelike stucture under mushroom
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stipe
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supporting stalk like structure
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yeast
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foam consisting of yeast cells with carbon dioxide
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septa
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thin partition or membrane that divides 2 cavities of tissue in an organism
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