Differentiation Hand out the 5.2 Ecosystem Products and Services Readings strategically to form strong groups. Give all readings to all student so that students can read along as other groups present their results. Students could highlight important information in the reading individually before joining with their partner or group. Have groups present their findings orally to the whole class, rather than using the jigsaw model. Use 5.2 Ecosystem Products and Services Worksheets as a review for the test. Have students complete all three before the test. Modifications Extending the Learning Have students read the articles and/or watch the videos listed in the Digging Deeper sections of the 5.2 Ecosystem Products and Services Readings.