The deforestation increased soil erosion, which wiped out the habitat for the island's native bird and animal species. As the supply of trees dwindled on the island, the people lost their means to fish, hunt, build homes, and construct fires. Scientists have long believed that the loss of the trees on the island ultimately led to the downfall of the once-thriving society. Select the practices that contributed to the Rapa Nui society's lack of sustainability.