PLEASE HELP THIS IS TIMED I'LL GIVE BRAINLIEST!!!!!!


The chart shows characteristics of two groups of mammals.


Mammal Characteristics


Which headings correctly complete the chart?


A. X: Marsupial

Y: Placental

B. X: Placental

Y: Marsupial

C. X: Monotreme

Y: Placental

D. X: Placental

Y: Monotreme