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Science Seedles Plants notes
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18
Science
7th Grade
02/01/2012

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Term
very small plants that have rhizoids rather than roots
Definition
nonvascular plants
Term
What is absorbed and distibuted through cell walls and cell membranes
Definition
water
Term
What grows in damp environments?
Definition
nonvascular plantss
Term
Nonvascular plants reproduce by spores instead of what?
Definition
seeds
Term
Wat are these examples of?
mosses
liverworts
hornworts
Definition
examples of nonvascular plants
Term
green, leaflike growths arranged round a cenral stalk
Definition
mosses
Term
flattened, leaflike bodies
Definition
liverworts
Term
have only one chloroplast in each of their cells
Definition
hornworts
Term
organisms that are the first to grow in new or disturbed areas and which change environmental conditions
Definition
frequently ioneer species
Term
reproduce by spores, but have vascular tissue that carries water and nutrients throughout the plant
Definition
seedless vascular plants
Term
What can grow bigger and thicker than novascular plants?
Definition
seedless vascular plants
Term
largest group of seedless vascular plants have stems, leaves and roots
leaves are called frods
reproduce by spores found on the back of their frods
Definition
ferns
Term
needlelike leaves
Definition
club mosses
Term
jointed stem with hollow center
Definition
horsetails
Term
Why are seedles plants important?
Definition
feul, soil conditioner
Term
What can ferns be used for?
Definition
weaving material and basketry
Term
decaying seedless plants are compressed into peat and eventruall coal
Definition
feul
Term
If you want to find a nonvascular plant, where would you look?
Definition
IN damp areas very close to the ground. They might be growing on a rock or tree because they dont have roots.
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