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46 Cards in this Set

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Rhizome
horizontal underground stem
Angiosperm
most seed plants are flowering which produce seeds that develop while they are enclosed within a specialized structure
Monocot
flowering plants that produce seeds with one seed leaf (cotyledon)
Pollination
transfer of pollen grains from the male reproductive structures of a plant to the female reproductive structures of a plant
Sepal
protect a flower from damage while it is a bud
Ovary
produces eggs in ovules, lower part of a pistil
Epidermis
nonwoody part of a plant
Root cap
covers and protects the actively growing root tip
Vascular bundle
the stems of herbaceous plants contain bundles of xylem and phloem
Sapwood
lies outside the heartwood, contains vessel cells that can conduct water
Germination
process a plant embryo resumes its growth, first sign is the emergence of the embryo's root
Primary growth
growth that increases the length or height of a plant
Frond
long, highly divided leaf of a fern
Fruit
the structure in which the seeds of angiosperms develop
Dicot
flowering plants that produce seeds with 2 seed leaves (cotyledons)
Pollen tube
grows from a pollen grain to an ovule and enables a sperm to pass directly to an egg
Petal
attracts pollinators
Sperm
male gametes
Cone
cluster of nongreen spore-bearing leaves form this structure
Pollen grain
the male gametophyte of a seed plant develops in this, which has a protective wall
Seed coat
outer cell layers of an ovule harden to form this as a seed matures
Anther
producing sac on the top of the filament
Dermal tissue
protective outer layer of a plant
Cortex
ground tissue surrounding the vascular tissue
Petiole
(is a stalk) area that attaches the blade to the stem
Perennial
plant that lives for several years, reproduces many times (trees, shrubs)
Secondary growth
growth that increases the width of stems and roots
Apical meristem
produce primary growth through cell division (located at the tips of stems and roots)
Cork cambium
a meristem that lies within the bark and produces cork cells
Vascular cambium
a meristem that lies just under the bark and produces vascular tissue
Annual ring
since one new ring is usually formed each year, each ring is this
Cork
the dermal tissue on woody stems and roots consists of several layers of dead cells
Annual
plant that completes its life cycle (grows, flowers, produces fruits and seeds) then dies within one growing season
Biennial
flowering plant that takes two growing seasons to complete its life cycle (first year: produces shoots and roots) (second year: uses stored nutrients to produce a flowering stalk then dies)
Pith
ground tissue inside the ring
Rhizoid
hairlike projections that anchor the gametophytes to the surfaces on which they grow
Gymnosperm
seed plants whose seeds don't develop within a sealed container (fruit)
Endosperm
seeds of angiosperms have a supply of stored food called this
Ovule
female gametophyte of a seed plant develops inside this, which is a multicellular structure that is part of the sporophyte
Cotyledon
leaflike structures, or seed leaves, that are part of a plant embryo
Pistil
produce ovules
Ground tissue
makes up much of the inside of the nonwoody parts of a plant including roots, stems, and leaves
Root hair
slender projections of the cell membrane produced by epidermal cells
Herbaceous plant
plant with stems that are flexible and usually green
Heartwood
wood in the center of a mature stem or tree trunk
Mesophyll
in leaves the ground tissue is called this