Massachusetts Curriculum Frameworks
MA.2-LS. Grade 2: Life Science
LS2. Ecosystems: Interactions, Energy, and Dynamics
2-LS2-3(MA). Develop and use models to compare how plants and animals depend on their surroundings and other living things to meet their needs in the places they live.
LS4. Biological Evolution: Unity and Diversity
2-LS4-1. Use texts, media, or local environments to observe and compare (a) different kinds of living things in an area, and (b) differences in the kinds of living things living in different types of areas.