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ID number:641720
 
Evaluation:
Published: 04.03.2009.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

1.Kas ir galvenais vielu transportētājs ķermenī?
a)Urīns
b)Asinis
c)Ūdens
d)Gaiss
2. Kādas vielas uzņem augi?
a)Organiskās
b)Neorganiskās
c)Gan organiskās, gan neorganiskās
d)neuzņem vielas
3.Kādas vielas uzņem dzīvnieki?
a)Organiskās
b)neorganiskās
c)Gan organiskās, gan neorganiskās
d)neuzņem vielas
4)Kāda asiņu cirkulācijas sistēma ir mugurkaulniekiem?
a)Slēgta, labi diferencēta
b)Slēgta, nediferencēta
c)Vaļēja, labi diferencēta
d)Vaļēja, nediferencēta.…

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