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Biologija (Gyvunai) > Varliagyviai > Flashcards

Varliagyviai Flashcards

1
Q

2 pagr. varliagyviu buriai

A

Uodeguotieji ir Beuodegiai

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2
Q

Uodegiu pozymiai

A

Apvaisinimas vidinis
Turi uodega
Sugeba atsiauginti galunes
Dazniausiai gyvena vandenyje
Juda letai sausumoje
Regeneracija

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3
Q

Beuodegiu pozymiai

A

Isorinis apvaisinimas
Beveik visi gali skleisti garsus
Vandenyje iriasi plevetomis galunemis
Daugiausiai laiko praleidzia vandenyje
Sausumoje juda sokdami arba ropodami

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4
Q

Koks ju prisitaikymas gyventi vandenyje?

A

Gleivetas ir dregnas kunas
Plauciai isivyste silpnai, bet gali kvepuoti per Ora.
Padeda plaukti uodega arba plevetomis galunemis
Isorinis apvaisinimas

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5
Q

Varliu vystimosi ciklas

A

Varliu ikreliai
Apvaisinami
Vystosi varles lervos, buizgalvis
Suaugusi varle

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6
Q

Varliagyviu reiksme

A

Nauda: pauksciu ir kt. gyvunu maistas
mokslininkai varles naudoja eksperimentams
Zala: naikina sodus, misku kenkejus. Rupuzes ir varles sueda muses, vorus, drugius, uodus, vabalus

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7
Q

Kas varliagyviams padeda kvepuoti sausumoje?

A

Kadangi ju plauciai yra nepakankamai isivyste, jiems padeda kvepuoti dregna oda

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Biologija (Gyvunai) (6 decks)

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