Fleur Flashcards

1
Q

Fleur

A

Contient organes reproducteurs

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2
Q

Étamine

A

Mâle

Parties: anthères et filet

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3
Q

Anthère (étamine)

A

Sac haut étamine

Forme les grains de pollen

Pollen produit spermatozoides

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4
Q

Filet étamine

A

Tige qui porte anthères

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5
Q

Pistil et parties

A

Femelle

Parties:

Stigmate
Style
Ovaire

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6
Q

Stigmate pistil

A

Partie collante reçoit pollen.

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7
Q

Style pistil

A

Partie allongé transporte pollen a ovaire

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8
Q

Ovaire pistil

A

Contient ovules

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9
Q

Pétales

A

Coloré parfumé attire insectes et autres pollinisateurs.

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10
Q

Sépales

A

Feuille généralement vertes entoure protege bouton floral.

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11
Q

Fonction fleur

A

Pollinisation: mode fécondation pollen transporté anthères aux ovules

Agents pollinisation: vent, pluie, insectes, oiseaux, humains.

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12
Q

Types pollinisation

A

Auto pollinisation

Pollinisation croisée

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13
Q

Auto pollinisation

A

Transfert pollen meme fleur ou fleur même plante.

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14
Q

Pollinisation croisée

A

Une plante a autre plante même espèce.

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