Which of the following correctly describes the clade spenodontia?
a. they are extinct primitve lepidosaurs
b. they have a transverse cloacal slit
c. they are sister taxa to squamata
d. they have a single temporal fenestra

The correct answer is C. The Spenodontia are sister taxa to squamata.

Explanation:

Spenodontia is an order of reptiles that were numerous during the Mesozoic Era, but today include only one living genus: Sphenodon, popularly known as tuatara, which lives in New Zealand.

The animals of this order are not lizards, but close relatives of these. The order Spenodontia forms, along with the order Squamata (lizards), the superorder Lepidosauria.

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)