listEning 5 "zoologyClAss"
{$mEDiAurl}


whAt is thE rElAtionship BEtwEEn zooxAnthEllA AnD CorAl polyps
CliCk on 2 AnswEr ChoiCEs.
A、thE CorAl AnD thE zooxAnthEllA CompEtE For thE sAmE FooD、
B、thE zooxAnthEllA usEs thE CorAl For A shEltEr From EnEmiEs.
C、thE CorAl EAts FooD proDuCED By thE zooxAnthEllA、
D、thE sAmE prEDAtors AttACk Both CorAl AnD zooxAnthEllA、