Paleo-Indians found an abundance of wildlife in Oklahoma to support their needs. Which of the following factors led to large populations of wildlife in Oklahoma during the time of the Paleo-Indians?

During the Paleo-Indian period, Oklahoma’s climate supported both grasslands and forests, creating habitats with plentiful food and shelter for wildlife. That variety of habitats helped sustain large animal populations. Farming surplus was not the cause, and the other choices describe hunting difficulties rather than the conditions that supported abundant wildlife.

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