Question

Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground, modern koalas spend most of their time in eucalyptus trees. This is possible because their hands and feet have strong claws and opposable digits.

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What other adaptation could have helped koalas as they evolved from land dwellers to tree dwellers?
the ability to have several offspring at one time
fur color that closely matches the eucalyptus bark color
longer hind legs that allow for faster running
better ability to communicate with their peers

Answer 1

fur color that closely matches the eucalyptus bark color

Reason: Camouflage would help arboreal koalas avoid predators while spending most time in trees. The other choices (multiple offspring, faster running, or more social communication) are less directly helpful for a tree-dwelling lifestyle.