Zuvys Flashcards

1
Q

Kokiai klasei priklauso zuvys

A

Stuburiniu gyvunu

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2
Q

I kokius du tipus skirstomos zuvys??

A

Kaulines ir kremzlines

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3
Q

Kas yra kaulines zuvys? Kur jos gyvena?? Pavyzdziai??

A

Juru ir geluju vandenu gyventojos. Turi ziaunadangti ir plaukiamaja pusle, kaulinius griaucius.
Juru arkliukai, lasisa, skumbre, samas, karpis.

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4
Q

Kremzlines zuvys?

A

Juru gyventojos. Griauciai sudaryti is gremzliu, atviros ziaunos (be ziaunadangcio), neturi plaukiamosios pusles (skirtos nerimui).
Rajos ir rykliai

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5
Q

Zuvu vystimosi process?

A

1 apvaisinti ikrai
2 lerva
3 mailius
4 suaugusi zuvis

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6
Q

Zuvu prisitaikymas vandens gyvenimui:

A

Kvepuoja ziaunomis, per jas i Kuna patenka deguonis is vandens
Turi plaukiajama pusle ir pelekus (kad lengviau judet)
Dengti zvynais (istepti gleivemis)
Kuno forma smailejanti (graiciau juda)
Sonine linija- padeda isvengti kliuciu, jutimo organas

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7
Q

Zuvu reiksme:

A

1 jos yra kitu organizmu maistas,jos turi labai veringu maisto medz.
2 is ju gaminami vitaminai
3 laiko akvariumuose
4 zvejyba, jos medziojamos

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8
Q

Vystidamasi panasus I maza, pradejusia savar. maitintis zuvele

A

Mailius

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9
Q

Kas yra nerštas?

A

Sudetingi zuvu veiksmai joms veisiantis.

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