[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVzBJmYkCQYhUovsXBUdGXb7q1crGZjZPvjTbM4PgDlQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":25,"type":26},[],"2024-06-14 19:46:24",151553231,[8,9,10,11,12],"deuterostomes(后口动物)","ecdysozoaons","lophotrochozoans","chordates(脊索动物)","hemichordates(半索动物)",{"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","Molluscs are ( )",[22,27,37,47,57,67,76,85,95,105],{"answer":23,"createTime":5,"id":6,"options":24,"question":20,"source":25,"type":26},[],[8,9,10,11,12],"v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":36,"source":25,"type":26},[],151553232,[31,32,33,34,35],"univalves","gastropods","chitons","bivalves","cephalopods","Unlike other molluscs, the ( ) have a closed circulatory system",{"answer":38,"createTime":5,"id":39,"options":40,"question":46,"source":25,"type":26},[],151553233,[41,42,43,44,45],"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":48,"createTime":5,"id":49,"options":50,"question":56,"source":25,"type":26},[],151553234,[51,52,53,54,55],"umbo","periostracum","hinge ligament","left valve","right valve","The oldest part of the bivalve shell is the ( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":66,"source":25,"type":26},[],151553235,[61,62,63,64,65],"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":68,"createTime":5,"id":69,"options":70,"question":75,"source":25,"type":26},[],151553236,[71,51,72,73,74],"hectocotylus","pneumostome","operculum","odontophore","The tentacle of male cephalopods that is modified for spermatophore transfer is the( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":25,"type":26},[],151553237,[80,73,81,82,83],"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":86,"createTime":5,"id":87,"options":88,"question":94,"source":25,"type":26},[],151553238,[89,90,91,92,93],"hydraulic","incurrent","closed","excurrent","open","The circulatory system of most molluscs is ( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":104,"source":25,"type":26},[],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":25,"type":26},[],151553240,[109,110,111,112,113],"Gastropoda","Cephalopoda","Polyplacophora","Bivalvia","Pelecypoda","Squids, octopuses, cuttlefishes, and nautili belong to the molluscan class( )"]