Do you teach life science in middle school? Perfect for 6th, 7th, and 8th Grade life science. Purchase this life science bundle and save 20%. This bundle covers all the life science standards for middle school NGSS. LS1: From Molecules to Organisms: Structures and Processes, LS2: Interactions, Energy, and Dynamics Relationships in Ecosystems, LS2: Interactions, Energy, and Dynamics Relationships in Ecosystems, and LS4: Biological Evolution: Unity and Diversity. Students will be engaged in lear