5.9.11: Visual Connection Questions
- Page ID
- 98203
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1.
Figure 29.3 Which of the following statements about common features of chordates is true?
- The dorsal hollow nerve cord is part of the chordate central nervous system.
- In vertebrate fishes, the pharyngeal slits become the gills.
- Humans are not chordates because humans do not have a tail.
- Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.
2.
Figure 29.22 Which of the following statements about the parts of an amniotic egg are false?
- The allantois stores nitrogenous waste and facilitates respiration.
- The chorion facilitates gas exchange.
- The yolk provides food for the growing embryo.
- The amniotic cavity is filled with albumen.
3.
Figure 29.24 Members of the order Testudines have an anapsid-like skull without obvious temporal fenestrae. However, molecular studies indicate that turtles descended from a diapsid ancestor. Why might this be the case?