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45 Cards in this Set
- Front
- Back
Cuticle |
waxy waterproof layer that covers the plant |
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Vascular Tissue |
system of tube like structures inside a plant through which water and minerals move
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Zygote |
A fertilized egg |
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Nonvascular plants |
Plants without vascular tissue |
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Vascular plants |
Plants with true vascular tissue |
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sporophyte |
a stage where the plants produce spores |
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Gametophyte |
Stage where a plant produces two kinds of sex cells, sperm cells and egg cells. |
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Rhizoid |
Thin root like structures |
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Frond |
Leaves on a fern |
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phloem |
Vascular tissue through which food moves |
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Xylem |
Vascular tissue through which water and minerals move |
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Pollen |
tiny structures that contain the cells that will later become sperm cells |
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Seed |
Structure that contains a young plant in a protective covering |
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Embryo |
The plant that develops from the zygote |
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Cotyledon |
Where food is stored inside a seed |
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Germination |
when the embryo begins to grow and pushes out of the seed and absorbs water from the environment. |
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root cap |
Protects the root from damage as it grows into the soil. |
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cambium |
Layer of cells that divides to produce new phloem xylem |
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transpiration |
process by which water evaporates from a plants leaves |
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Gymnosperm |
Seed plant that produces naked seeds |
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cone |
reproductive structures |
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ovule |
structure that contains an egg cell |
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pollination |
transfer of pollen from male reproductive structures to a female reproductive structure. |
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angiosperm |
group of seed plants |
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flower |
reproductive structure of an angiosperm |
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sepal |
leaf like structures |
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petal |
colorful leaf like structures on a flower |
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stamen |
male reproductive parts of a flower |
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pistil |
female parts of a flower |
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ovary |
hollow structure at the base of the flower |
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fruit |
a ripened ovary and other structures that enclose one or more seeds |
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monocot |
angiosperms that have only one seed leaf |
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dicot |
produce seed with two seed leaves |
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tropism |
growth response toward or away from a stimulous |
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hormone |
chemical that effect how a plant grows and develops |
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auxin |
speeds up the rate that the plant cell grows |
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photoperiodism |
A plants response to to seasonal changes in length of night and day .
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short-day plant |
plants that flower when nights are longer than a normal length.
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long-day plant |
Plants that flower when when nights are shorter than normal.
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critical night length |
number of hours of darkness that determines whether or not a plant will flower.
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day-neutral plant |
plants thats flowering cycle is not sensitive to periods of light and dark.
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dormancy |
period when an organisms growth or activity stops.
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annuals |
Flowering plants that complete a life cycle within one one growing season.
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biennials |
Angiosperms that complete their life cycle in two years. |
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perinial |
Flowering plants that live for more than two years.
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