Question

note: italicized names indicate genus and/or species. non - italicized names represent larger taxa or categories. according to tree b, which of the following two are the most closely related? a. batrachomorpha b. monotremata c. theria d. reptilia e. testudines f. crocodylia

Explanation:

In a phylogenetic tree, the closer two groups are on the tree, the more closely related they are. In Tree B, Testudines and Reptilia are more closely related compared to the other pairs as they share a more recent common - ancestor within the Sauropsids group.

Answer:

D. Reptilia, E. Testudines