Question

What trait separates a platypus from a brown bear on this cladogram?

hair, mammary glands, lays eggs


placenta


retractable claws


ability to purr

Answer 1

hair, mammary glands, lays eggs

Step-by-step explanation:

it is what it is

Answer 2

Step-by-step explanation:

a platypus is the only mammal to lay eggs