Polar Bear Research Paper Paragraph 1 Hook Bridge Background information Thesis Paragraph 2 Transition to the first threat Define that threat Explain how it is affecting the polar bears - elaborate Paragraph 3 Transition to the first threat Define that threat Explain how it is affecting the polar bears – elaborate Paragraph 4 Begin with a concluding transition; see the sheets you were given. Restate your thesis statement. Explain what is currently being done to prevent the endangerment of the PB. Write about what could be done in the future to reduce the risks to the PB.