Rhode Island World-Class Standards
RI.LS2. Life Science: Matter cycles and energy flows through an ecosystem.
LS2 (K-4) SAE-6. Describe ways plants and animals depend on each other (e.g., shelter, nesting, food).
LS2 (3-4)-6. Students demonstrate an understanding of food webs in an ecosystem by...
6c. Explaining the way that plants and animals in that habitat depend on each other.