Question

which pair of organisms is most closely related to primates?
amphibians and rodents
crocodiles and amphibians
rodents and rabbits
dinosaurs and birds

Explanation:

In a phylogenetic tree, organisms that share the most recent common ancestor are most closely related. Primates share their immediate common ancestor with rodents and rabbits, while other pairs either share a much older ancestor or are not the closest relatives to primates.

Answer:

rodents and rabbits