Superclass Agnatha
Member of agnatha lacks
teeth
jaws
gills
lungs
jaws
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Lampreys have salivary glands with anticoagulants, feed onA. blood
B. vegetation
C. dead organisms
D. fungi
Members of genus lampetra are called:
A. lancelets
B. brook lamprey
C. hagfishes
D. hedgehog
Members of class myxini feed on the:
A. plants
B. vertebrates
C. soft-bodied animals
D. snails
Member of class myxini are:
A. hagfishes
B. ostraccoderms
C. agnathans
D. urochords
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