Bio > ptéridophytes > Flashcards

ptéridophytes Flashcards

(10 cards)

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1
Q

sporophytes + gamétophytes ?

A

indép

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2
Q

structures spécialisées

A

feuilles
racines
tissus conducteurs

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3
Q

tissus conducteurs

A

xylème
phloème

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4
Q

xylème

A

eau + minéraux
racines – feuilles
cellules morte

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5
Q

phloème

A

molécules org
feuilles – racines
cell vivantes X noyaux

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6
Q

feuilles

A

microphylles
mégaphylles

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7
Q

microphylles

A

petites feuilles
1 seule nervure

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8
Q

mégaphylles

A

grosses feuilles
++ vaisseaux + ramifiées

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9
Q

sporophylles

A

feuilles portent sporanges
petit points

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10
Q

spores

A

homosporées

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