[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fstrtQRGBZQcjGmURPjb0iU_j50C8ir1czwr0ooYpwkQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2024-06-14 19:46:24",151553238,[8,9,10,11,12],"hydraulic","incurrent","closed","excurrent","open",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},30,"e58f83182bccb2e52af49c7b840d9c2f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","普通动物学（上）","e50a883a78b845afa4fa402897a1e2ea","课堂练习9","The circulatory system of most molluscs is ( )",[22,34,44,54,64,74,83,92,95,105],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],151553231,[26,27,28,29,30],"deuterostomes(后口动物)","ecdysozoaons","lophotrochozoans","chordates(脊索动物)","hemichordates(半索动物)","Molluscs are ( )","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],151553232,[38,39,40,41,42],"univalves","gastropods","chitons","bivalves","cephalopods","Unlike other molluscs, the ( ) have a closed circulatory system",{"answer":45,"createTime":5,"id":46,"options":47,"question":53,"source":32,"type":33},[],151553233,[48,49,50,51,52],"a hydraulic skeleton","special extensor muscles","tendons and ligaments","a system of levers","muscles and levers","Among molluscs, extension of body structures such as tentacles is accomplished by ( )",{"answer":55,"createTime":5,"id":56,"options":57,"question":63,"source":32,"type":33},[],151553234,[58,59,60,61,62],"umbo","periostracum","hinge ligament","left valve","right valve","The oldest part of the bivalve shell is the ( )",{"answer":65,"createTime":5,"id":66,"options":67,"question":73,"source":32,"type":33},[],151553235,[68,69,70,71,72],"divergent evolution","convergent evolution","perpendicular phylogeny","adaptive radiation","cladistic phylogeny","The similarity of design between the eyes of vertebrates and the eyes of many cephalopods provides an excellent example of ( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":32,"type":33},[],151553236,[78,58,79,80,81],"hectocotylus","pneumostome","operculum","odontophore","The tentacle of male cephalopods that is modified for spermatophore transfer is the( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":32,"type":33},[],151553237,[87,80,88,89,90],"radula","tentacles","siphons","osphradium","In some gastropods, a(n) ( ) is found on the dorsal, posterior margin of the foot and when the foot is drawn into the shell, seals the opening",{"answer":93,"createTime":5,"id":6,"options":94,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":96,"createTime":5,"id":97,"options":98,"question":104,"source":32,"type":33},[],151553239,[99,100,101,102,103],"comparative embrology","descriptive embryology","descriptive anatomy","protostomology","comparative analogy","The study of similarities and differences in early development of animals is called ( )",{"answer":106,"createTime":5,"id":107,"options":108,"question":114,"source":32,"type":33},[],151553240,[109,110,111,112,113],"Gastropoda","Cephalopoda","Polyplacophora","Bivalvia","Pelecypoda","Squids, octopuses, cuttlefishes, and nautili belong to the molluscan class( )"]