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Questions and Answers
Which structure is replaced by the vertebral column during development in vertebrates?
Which structure is replaced by the vertebral column during development in vertebrates?
- Pharyngeal pouches
- Dorsal tubular nerve cord
- Notochord (correct)
- Postanal tail
Which group of chordates do not have vertebrae?
Which group of chordates do not have vertebrae?
- Mammals and nonvertebrate chordates
- Tunicates and lancelets (correct)
- Fishes and amphibians
- Reptiles and birds
Which chordate characteristic depends on the adult chordate for final development?
Which chordate characteristic depends on the adult chordate for final development?
- Notochord
- Pharyngeal pouches (correct)
- Postanal tail
- Dorsal tubular nerve cord
Which structure extends beyond the anus in chordates?
Which structure extends beyond the anus in chordates?
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Which chordate group includes reptiles and birds?
Which chordate group includes reptiles and birds?
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Study Notes
Vertebral Column Development
- The notochord, a flexible rod that provides support, is replaced by the vertebral column during development in vertebrates.
Chordates Without Vertebrae
- Tunicates and lancelets are chordates that do not have vertebrae.
Dependent Chordate Characteristic
- The post-anal tail, a tail that extends beyond the anus, depends on the adult chordate for final development.
Extends Beyond the Anus
- The post-anal tail extends beyond the anus in chordates.
Reptile and Bird Group
- Reptiles and birds belong to the Amniota, a group within the chordates.
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Description
Test your knowledge of chordates and vertebrates with this quiz based on the "INQUIRY INTO LIFE" Lecture Outline. Challenge yourself with questions about the characteristics and life cycle of chordates, including the presence of the notochord and the development of vertebrates.
