Answer:
Koala developed strong claws in hand and feet, opposable digits and their fur color that matches with the eucalyptus.
Step-by-step explanation:
Koala has evolved from their land dwelling ancestors that were dominant at their time but due to evolution they have adapted several characters and become tree dwellers.
Koala has strong hands and feet claws with opposable digits that help in climbing on the eucalyptus tree. The second major adaption is their fur color that matches with the eucalyptus bark.
Thus, the correct answer strong claws in hand and feet, opposable digits and their fur color that matches with the eucalyptus.