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46 Cards in this Set
- Front
- Back
cuticle |
the waxy water proof layer that covers the leaves and stem of most plants |
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gametophyte |
the stage in the life cycle of a plant in which the plant produces gametes, or sex cells |
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nonvascular plants |
a low growing plant that lacks true vascular tissue |
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sporophyte |
the stage in the life cycle of a plant in which the plant produces spores |
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vascular plant |
a plant that hs true vascular tissue |
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vascular tissue |
the internal transporting tissue in some plants that is made of tube like structure |
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zygote |
a fertilized egg produced by the joining of sperm and egg. |
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Section 2 |
Section 2
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frond |
the leaf of a fern plant |
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rhiziod |
a thin root like structure that anchors a moss and absorbs water and nutrients |
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cambium |
a layer of cells in a plant that produces new phloem and xylem ceels |
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cotyledon |
a seed leaf |
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germination |
the sprouting of the embryo from a seed that occurs where the embryo resumes growth |
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phloem |
a vascular tissue through which food moves |
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pollen |
tiny particles produced by seed plants that contain the cell that later become sperm cells |
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embryo |
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xylem |
a young organism that develops from a zygote; a developing human during the first eight weeks after fertilization |
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seed |
the plant structure that contains a young plant inside a protective covering |
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rootcap |
a structure that covers the tip of a root, protecting the root from injury |
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transpiration |
the process by which water is lost through a plant's leave |
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gymnosperm |
a plant that produces seeds that are not enclosed by a protective fruit |
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cone |
the reproductive structure of a gymnosperm |
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ovule |
a structure that contains an egg cell |
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pollination |
the transfer of pollen from male reproductive structures to female reproductive structures in plants |
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angiosperm |
a flowering plant that produces seeds enclosed in a protective structure |
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flower |
the reproductive structure of an angiosperm |
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sepal |
a leaf like structure that encloses the bud of a flower |
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petal |
a colorful, leaf like structure of some flowers |
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stamen |
a male reproductive part of a flower |
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pistel |
the female reproductive part of a flower |
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ovary |
a flower structure that encloses and protects ovules and seeds as they develop |
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fruit |
the ripened ovary and other structures of an angiosperm that encloses one or more seeds |
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monocot |
an angiosperm with one seed leaf |
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dicot |
an angiosperm that has two seed leaves |
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tropism |
the growth response of a plant toward or away from a stimulus |
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hormone |
a chemical in an organism that produces a specific effect such as growth or development |
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auxin
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a plant hormone that speeds up the rate of growth of plant cells |
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photoperiodism |
a plant's response to seasonal changes in length of night and day |
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short-day plant |
a plant that flowers when the nights are longer than the plant's critical night length |
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long-day plant |
a plant that flowers when the nights are shorter than the plant's critical night length |
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critical night length
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the number of hours of darkness that determines whether of not a plant will flower |
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day-neutral plant |
day neutral |
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dormancy |
a period when an organism's growth or activity stops |
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annual |
a flowering plant the completes its life cycle in one growing season |
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biennial |
a flowering plant that completes its life cycle in two years |
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perennial |
a flowering plant that lives for more than two years
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