Living members of the lineage ____ are jawless vertebrates called hagfishes. They have only a cranium and a notochord for their axial skeleton, with no signs of vertebrae.
a. Petromyzontoidea
b. Placodermi
c. Cephalochordata
d. Urochordata
e. Myxinoidea
E
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For the role of partner or spouse of the addict/alcoholic, the present text recommends use of the term?
a) ?scapegoat. b) ?family manager. c) codependent d) ?chief enabler.
Arthrobotrys dactyloides ________
a. is an imperfect fungus that traps nematodes b. infects skeletal muscle cells of AIDS patients c. causes diarrhea in people who drink impure water d. infects the skin of frogs
Which protist group includes members with plantlike traits such as chloroplasts and multicellularity?
A) Slime molds B) Algae C) Amoebas D) None of the protists have chloroplasts.
Involuntary muscle includes ________
A) skeletal muscle only B) smooth muscle only C) smooth muscle and cardiac muscle D) smooth muscle, cardiac muscle, and some skeletal muscle