Podcast
Questions and Answers
Which group of reptiles has two temporal holes, one above and below the postorbital bones?
Which group of reptiles has two temporal holes, one above and below the postorbital bones?
- Diapsids (correct)
- Anapsids
- Synapsids
- Monotremes
What type of skull does a diapsid have?
What type of skull does a diapsid have?
- Three holes
- No holes
- One hole
- Two holes (correct)
Which group of creatures lost many small dermal bones in the temporal region?
Which group of creatures lost many small dermal bones in the temporal region?
- Amphibians
- Birds
- Reptiles (correct)
- Mammals
What is the function of temporal fenestration in reptiles?
What is the function of temporal fenestration in reptiles?
Which group of animals has a similar hyobranchial apparatus to reptiles?
Which group of animals has a similar hyobranchial apparatus to reptiles?
What is the evolutionary advantage of having temporal openings in reptile skulls?
What is the evolutionary advantage of having temporal openings in reptile skulls?
What served as a fulcrum for the lower jaw (mandibular arch) when the palatoquadrate became the lower jaw?
What served as a fulcrum for the lower jaw (mandibular arch) when the palatoquadrate became the lower jaw?
What type of species had a Hyostylic hyobranchial apparatus in their jaws?
What type of species had a Hyostylic hyobranchial apparatus in their jaws?
Which nerve supplies the velum of lampreys and the jaws of gnathostomes?
Which nerve supplies the velum of lampreys and the jaws of gnathostomes?
What anatomical structure could have potentially evolved from the velum in lampreys?
What anatomical structure could have potentially evolved from the velum in lampreys?
Which group of species had secondary Autostylic jaws, specifically for eating hard food and shellfish?
Which group of species had secondary Autostylic jaws, specifically for eating hard food and shellfish?
In which group of species did the distance from eyes to snout lengthen as jaws also lengthened?
In which group of species did the distance from eyes to snout lengthen as jaws also lengthened?
In living amphibians, which of the following is true about the skull?
In living amphibians, which of the following is true about the skull?
Which structure becomes the columella, a simple auditory ossicle in frogs?
Which structure becomes the columella, a simple auditory ossicle in frogs?
What happened to the dermal bones connecting the pectoral girdle to the skull in basal tetrapods?
What happened to the dermal bones connecting the pectoral girdle to the skull in basal tetrapods?
Which group lacks a dermatocranium according to the text?
Which group lacks a dermatocranium according to the text?
What feature characterizes the skull of early reptilomorphs?
What feature characterizes the skull of early reptilomorphs?
Which statement is true regarding the development of temporal fenestration in gnathostomes?
Which statement is true regarding the development of temporal fenestration in gnathostomes?
What happens to splenial bones in extant reptiles?
What happens to splenial bones in extant reptiles?
Which element is a common factor in the evolution of jaw joints in most vertebrates?
Which element is a common factor in the evolution of jaw joints in most vertebrates?
In early reptilomorphs, what is notable about their skull structure?
In early reptilomorphs, what is notable about their skull structure?
