
Factorii abiotici ai biotopului
Authored by SPINU MARIANA Prof.
Education
9th Grade

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce influență are apa tulbure asupra luminii în zonele inundabile ale Dunării?
Crește cantitatea de oxigen
Îmbunătățește calitatea apei
Împiedică pătrunderea luminii
Reduce salinitatea
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce proces are loc atunci când viiturile întârzie?
Respirație anaerobă
Putrefacție
Dezvoltarea planctonului
Eutrofizare
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este procentul de oxigen în aer?
50%
30%
21%
10%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de organisme respiră anaerob?
Organisme care nu pot supraviețui fără oxigen
Organisme care pot supraviețui fără oxigen o perioadă
Organisme care nu au nevoie de apă
Organisme care respiră doar prin branhii
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de apă are o salinitate de 0,2%?
Ape dulci
Ape marine
Ape salmastre
Ape sărate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce substanțe nutritive sunt considerate macroelemente?
H, O, C
Na, K, Ca
P, N, K, S, Ca, Mg, Fe
B, Cl, Zn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce tip de plante se dezvoltă pe soluri acide?
Muşchiul (Sphagnum)
Păstrăvul
Caleanul
Equisetum palustre
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