Ökoloogia
Quiz
•
Biology
•
12th Grade
•
Practice Problem
•
Medium
Annika Suurna
Used 10+ times
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20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mis põhjustavad surnud tsoone?
Toitainete sissevoolu tõttu hakkavad vetikad vohama
Toitainete puudus vees
Haiguse tõttu massiline väljasuremine
Hapniku puudus vees
Answer explanation
Vohavad vetikad põhjustavad hapniku puudust vees
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kuidas süsinikdioksiid atmosfääri satub?
Organismide hingamise tulemusena
Laamade liikumise tulemusena
Orgaanilise aine põlemise tulemusena
Fotosünteesi tulemusena
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline ökosüsteem on kõige tootlikum?
Troopiline vihmamets
Ookean
Parasvöötme mets
Savann
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kooseluvorm, mille puhul üks liikidest saab kasu, teisele liigile mõju aga puudub
Sümbioos
Parasitism
Kommensalism
Konkurents
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kui suur on loomade ökoloogiline tõhusus?
Umbes 20%
Umbes 10%
Umbes 50%
Umbes 5%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kus leidub kõige rohkem fosforit?
Järvedes ja jõgedes
Ookeani põhjas
Õhus
Kivimites
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Millest toituvad esimese astme tarbijad?
Lagundajatest
Kolmanda astme tarbijatest
Teise astme tarbijatest
Tootjatest
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