Julia is trying to place a duckbilled platypus, lizard, bear, and monkey on a phylogenetic tree. She learns that the duckbilled playpus, bear, and monkey are classified as mammals. She also learns that mammals share a common ancestor with reptiles. Which additional piece of information will be most helpful to Julia to properly build her phylogenetic tree?

AThe platypus has fur like other mammals
BThe platypus lays eggs like a reptile.
CThe platypus does not have fins like a fish.

Verified Answer :

The platypus lays eggs like a reptile is an additional piece of information will be most helpful to Julia to properly build her phylogenetic tree. 

The additional information required is that the platypus lays eggs like a reptile.

What are mammals?

The animals classified as mammals are those animals that give birth to their young ones alive and also possess the mammary gland. As such, they can breast feed their  young ones.

Since the mammals share a similar ancestry as the reptiles, the additional information that Julia requires is that the platypus lays eggs like a reptile.

Learn more about reptiles: https://brainly.com/question/16357973?