This second grade plant and animal needs, life cycles and interdependence science bundle is a 3-week science resource carefully designed with literally everything you need to teach 2nd grade NGSS Interdependent Relationships in Ecosystems and these standards: 2-LS2-1, 2-LS2-2, 2-LS4-1, K-2-ETS1-2, K-2-ETS1-3. It includes 17 days of high interest, hands-on science lessons on these topics:Plant and animal interdependence Plant needs and their lifecyclesAnimal needs and their life cyclesSeed dispe