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veterina > zoologija v7 > Flashcards

zoologija v7 Flashcards

1
Q

Što je Chordata?

A

svitkovci, (ass. pizza) “prutić”,funkcionalno isto kako kralježnica, daje tijelu čvrstoću, 2000 različitih vrsta

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2
Q

3 osnovna obilježja svitkovca?

A

dorzalno - neutraalna cijev, svitak, škržne pukotine

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3
Q

Kako izgleda poprečni presjek svitkovca?

A

sastoji se od celoma, neuralne cijevi, chordate dorsalisa i crijeva

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4
Q

3 podkoljena Chordate

A

Urochordata (plaštenjaci), Cephalocordata ili Acrania (bezlobanjce) i Vertebrata (kičmenjaci)

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5
Q

Što je regresija, a što progresija?

A

Proces gubitka neuralne cijevi, izgube chordu, imaju samo ganglij (grupa nervnih ćelija) zbog sjedilačkog načina života, a progresija je napredovanje

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6
Q

Kražlježnjaci u početku imaju chirdu koja nastaje od?

A

Od sklerotoma

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7
Q

Što je naprednije od škržnih pukotina?

A

Škrge

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8
Q

Što nastaje od neuralne cijevi?

A

Leđna moždina

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9
Q

Osobine hrskavičnjača?

A

Nema plivaći mjehur, nemaju škržne poklopce, rađaju žive mlade, imaju hrskavičan kostur

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10
Q

Čemu služi škržni poklopac?

A

Zatvara škržne poklopce

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veterina (50 decks)

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