Q.
The following list includes three Australian marsupial mammals and three placental mammals which occupy similar ecological niches in other continents of the world.
$1$. great red kangaroo
$2$. flying squirrel
$3$. sloth
$4$. phalanger
$5$. koala bear
$6$. deer
Which of the following correctly pairs each marsupial with the equivalent placental?
Evolution
Solution: