Käsnad, ainuõõssed, ussid
Authored by Merle Pähn
Biology
8th - 9th Grade
Used 54+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kõige lihtsama ehitusega loomad on
käsnad
meduusid
paelussid
vihmaussid
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Vihmaussidel on
kiireline sümmeetria
kahekülgne sümmeetria
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Selgrootutel on vereringe enamasti
suletud
avatud
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Välistoes on
nastikul
ahvenal
meduusil
rohukonnal
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Käsnad on veekogudes tähtsad
tootjad
lagundajad
biofiltrid
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Käsnad on oluline osa veekogu ökosüsteemist
Jah
Ei
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Selgrootud loomad, kellel on kombitsad ja seedeõõs, on
ussid
käsnad
ainuõõssed
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