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Questions and Answers
Which of the following is NOT a characteristic of the members of the phylum Chordata?
Which of the following is NOT a characteristic of the members of the phylum Chordata?
- Notochord present at some stage in the life cycle
- Segmented muscles in an unsegmented trunk (correct)
- Ventral heart, with dorsal and ventral blood vessels; closed circulatory system
- Complete digestive system
What is a common characteristic of both the phylum Chordata and the subphylum Vertebrata?
What is a common characteristic of both the phylum Chordata and the subphylum Vertebrata?
- Notochord present at some stage in the life cycle (correct)
- Pharyngeal pouches present at some stage in the life
- Bilateral symmetry
- Segmented body
Which characteristic is unique to the members of the subphylum Vertebrata within the phylum Chordata?
Which characteristic is unique to the members of the subphylum Vertebrata within the phylum Chordata?
- Notochord present at some stage in the life cycle (correct)
- Segmented body
- Bilateral symmetry
- Postanal tail, projecting beyond the anus at some stage
Which characteristic is unique to the members of the phylum Chordata within the animal kingdom?
Which characteristic is unique to the members of the phylum Chordata within the animal kingdom?
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Which characteristic is common to all members of the phylum Chordata?
Which characteristic is common to all members of the phylum Chordata?
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