Koala bears eat the leaves from eucalyptus tress, but these trees are affected by drought, deforestation and forest fires. How might this affect the future on the Koala bear? the Koala bear's genes will change immediately to allow them to survive on less food

the Koala bear population may increase

the Koala bears may become extinct if they are not able to adapt and find new food sources

the Koala bear population will not chan