9th Grade Biology Plants study guide test – Flashcards
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guard cell
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sausage shaped that surround each opening of stomata
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plants adapt to land three ways
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cellulose, cutilce, stomata
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stems provide support for plant is
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cellulose
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waxy layer that prevent water loss is
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cuticle
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stomata
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openings usually found on bottom of leaves
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evolution and classifcation of plants two kinds of plants
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vascular and non vasular
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nonvascular plant
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plants without vessels for water and mineral support- moses
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vascular
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plants contain vessels for transport has xylem and pholem
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possible ancestor to plants is
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green algae
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non vasuclard examples
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mosses and rhizoids- root like structures
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bryophytes-
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mosses
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rhizoids
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root like structures
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alternation of generations
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have 2 body forms in life cycle
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gametophyte
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body form which prodcues gamets
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sporophyte
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body form which produces spores, grows from gametophyte
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antheridium
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forms male gametes-sperm
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archegonium
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forms female gametes
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zygote is formed when
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sperm fertilizes egg
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vascular-seedless plants form
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fonds instead of leaves
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vascular -seedless plants prodcue
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spores instead of seeds
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prothaulus
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spores form heart shaped gametophyte called this
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gymnospersm
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naked seed vascular paltns -non flowering leaves
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angiosperm
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monocots and or dicots
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plants types: vascular seed plants two kinds
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angiosperm and gymnosperms
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monocots
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one seed leaf
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dicots
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contains two seed leaves
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pollen grain
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reaches stigma each has 2 haploid sperm cells and tube cells and double fertilization occurs
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flowers- female parts
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pistil / carple
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stigma
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sticky top of pistil for pollen to be deposited
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sytle
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stalk connecting stigma to ovary
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ovary
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will become seeds if fertilized
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flowers- male parts
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stamen
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anther
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top of stamen- releases pollen
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filament
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stalk attaching anther to stem
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complete flowers have all four
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whorls
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steples
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green leafy structures that protect the bud
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petals
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colorful structures that protect the bud
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incomplete flower missing
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at least one whorl
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perfect flowers have both
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male and female parts
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imperfect flowers have only
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one type of sexual organ
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name three non vascular plants
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mosses, hornworts, liverworts
