Shared Flashcard Set

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Biology 1
Plants, Flowers and Fruits
38
Other
Not Applicable
10/30/2003

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Cards

Term
gametophyte
Definition
a gamete-producing plant
Term
gamete
Definition
specialized cell involved in sexual reproduction
Term
vascular tissue
Definition
a type of tissue that is specialized to conduct water and nutrients through the body of the plant
Term
tracheid
Definition
a type of cell that is specialized to conduct water
Term
xylem
Definition
a form of vascular tissue that carries water upward from the roots to every part of the plant
Term
phloem
Definition
a type of vascular tissue that transports solutions of nutrients and carbohydrates produced by photosynthesis
Term
lignin
Definition
a substance that makes cell walls rigid
Term
root
Definition
underground organ that absorbs water and minerals
Term
leaf
Definition
photosynthetic organ that contains one or more bundles of vascular tissue
Term
vein
Definition
gathered vascular tissue made of xylem and phloem
Term
stem
Definition
supporting structure that connects roots and leaves, crrying water and nutrients between them
Term
rhizome
Definition
creeping or underground stem
Term
frond
Definition
large leaf
Term
sporangium
Definition
container for haploid spores found on the underside of fronds
Term
sorus
Definition
a cluster of grouped sporangia
Term
gymnosperm
Definition
a seed plant that bears its seeds directly on the surfaces of cones
Term
angiosperm
Definition
a seed plant, which is also called a flowering plant, that bears its seeds within a layer of tissue that protects the seed
Term
cone
Definition
seed-bearing structure of gymnosperms
Term
flower
Definition
seed-bearing structure of angiosperms
Term
pollen grain
Definition
the structure in which the entire male gametophyte is contained
Term
pollination
Definition
the transfer of pollen from the male gametophyte to the female gametophyte
Term
seed
Definition
an embryo of a plant that is encased in a protective covering and surrounded by a food supply
Term
embryo
Definition
the early developmental stage of the sporophyte plant
Term
seed coat
Definition
surrounds and protects the embryo and keeps the contents of the seed from drying out
Term
fruit
Definition
a thick wall of tissue surrounding the seed
Term
monocot
Definition
a class within angiosperms which has a single cotyledon, parallel veins, floral parts often in multiples of 3, vascular bundles scattered throughout the stem, and fibrous roots
Term
dicot
Definition
a class within angiosperms which has two cotyledons, branched veins, floral parts often in multiples of 4 or 5, vascular bundles arranged in a ring, and taproots
Term
cotyledon
Definition
seed leaf
Term
annual
Definition
flowering plant that completes a life cycle within one growing season and includes many garden plants
Term
biennial
Definition
angiosperm that completes its life cycle in two years which germinate, grow roots, very short stems, and sometimes leaves in the first year, and in the second year grow new stems and leaves and then produce flowers and deeds, afterward dying
Term
perennials
Definition
flowering plants that live for more than two years, usually living through many years
Term
merismatic tissue
Definition
a type of tissue that is only found in the tips of shoots and roots
Term
apical meristem
Definition
a group of untifferentiated cells that divide to produce increased length of roots and stems
Term
epidermal cells
Definition
cells that make up dermal tissue
Term
cuticle
Definition
thick waxy layer on outside of leaf
Term
trichome
Definition
cellular projections which help protect the leaf and give it a fuzzy appearance
Term
vessel element
Definition
another kind of zylem cell which are wider than tracheids
Term
sieve tube element
Definition
phloem cells arranged end to end
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