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Invertebrater > Phylum Annelida > Flashcards

Phylum Annelida Flashcards

1
Q

Kim. Coelom.

A

Triploblast. Eucoelomat.

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2
Q

Ekskretion?

A

Metanephridium

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3
Q

Reproduktion hos Oligochaeta?

A

Ekstern befrugtning i clitellum→kokon–>embryo vokser indeni clitellum.

Aseksuel: transverse deling→regeneration af delene til voksne. Få: parthenogenese.

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4
Q

Larver?

A

Polychaeta: Trochophorlarve.

Andre: kokon. ingen fritlevende.

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5
Q

Reprodukton hos Polychaeta

A

Gonokorister.

Sexuelt: epitoki (afsnøring af mobile og seksuelle epitoker) aseksuel del atoke.

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6
Q

Repr. hos Hirudinea

A

Hermafroditter. Sædudvækslingen sker mellem begge parter.

Intern befrugtning.

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Invertebrater (11 decks)

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