Biologija⚠️ Flashcards

1
Q

Naštej značilnosti živega

A

1.Celična organizacija
2.Metabolizem ali presnavljanje
3.Razmnoževanje
4.Rast in razvoj
5.Staranje in smrt
6.Odzivnost
7.Regulacija notranjega prostora
8.Spremenljivost
9.Prilagodljivost
10.Individualnost

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2
Q

Kateri dve lastnosti živega veljata tudi za viruse?

A

3.Razmnoževanje (nespolno)
8.Spremenljivost (mutacije)

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3
Q

Celična organizacija

A

Ločimo enocelične in večcelične organizme, celica je osnovna gradbena in dejavna enota živega.

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4
Q

Presnavljanje ali metabolizem

A

Omogočajo encimi
izgradnja = anabolizem (fotosinteza-glukoza)
razgradnja = katabolizem (celično dihanje)

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5
Q

Rast in razvoj

A

Rast-večanje kvantitete (povečanje št. celic)
Razvoj-večanje kvalitete (specializacija celic)

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6
Q

Razmnoževanje

A

Spolno - omogoča nastanek osebkov z različnimi lastnostmi zaradi križanja genov
Nespolno - omogoča nastanek veliko primerkov

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7
Q

Staranje in smrt

A

lol

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8
Q

Odzivnost

A

Organizmi so se sposobni odzvati na dražljaje = sprememba energije

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9
Q

Regulacija notranjega okolja

A

npr. za potrebno količino kisika in CO2 skrbijo dihala, homeostaza

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10
Q

Spremenljivost

A

Mutacije = TRAJNE SPREMEMBE KI SE POJAVIJO NA MOLEKULI DNA

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11
Q

Prilagodljivost

A

Posledica naravnega izbora

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12
Q

Individualnost

A

Vsako živo bitje je zaključena enota

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13
Q

Kaj je homeostaza?

A

Razmeroma stalno notranje okolje in vsi regulacijski procesi ki to omogočajo.

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