sexuee chez animaux Flashcards

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1
Q

quels sont les types de fecondation

sexuee

A

interne et externe

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2
Q

a quoi consiste la fecondation interne

sexuee

A

gamete s’unissent a l’interieur du corps de la femelle, implique accouplement avec male et femelle

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3
Q

ou se fait la fecondation interne

sexuee

A

interieur du corps de la femelle

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4
Q

exemple d’especes qui utlise la fecondation interne

sexuee

A

mammiferes, reptiles,oiseaux

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5
Q

a quoi consiste la fecondation externe

sexuee

A

femelle libere ses oeufs dans un milieu humide et les male les fecondent en liberant leurs spermatozoides

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6
Q

ou se fait la fecondation externe

sexuee

A

exterieur du corps de la femelle

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7
Q

exemple d’espece qui utilise la fecondation externe

A

poisson,insectes,mollusques,amphibiens

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8
Q

quels sont les 3 mode de developpement

A

ovipatre,ovovivipare,vivipare

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9
Q

a quoi consiste etre ovipare

A

embryon se developpe completement dans un oeuf qui est a l’extieur de la femelle

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10
Q

donne 3 exemples d’especes ovipares

A

oiseaux, certaisn reptiles, poissons, insectes, amphibiens

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11
Q

a quoi consites etre vivipare

A

embryon se developpe a l’interieur du crops de la femelle

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12
Q

quel est espece qui est vivpare

A

mammiferes

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13
Q

a quoi consiste etre ovovivipare

A

embryon se developpe dans un oeuf, mais l’oeuf reste dans le corps de la femelle sauf l’eclosion

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14
Q

exeples d’especes ovovivipares

A

requin, certains reptiles comme; boa,vipere,crotale

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