Science Worksheets and Study Guides Third Grade. Relationships among living things

The resources above correspond to the standards listed below:

South Carolina Standards & Learning

3.L.5. The student will demonstrate an understanding of how the characteristics and changes in environments and habitats affect the diversity of organisms.
3.L.5A. Conceptual Understanding: The characteristics of an environment (including physical characteristics, temperature, availability of resources, or the kinds and numbers of organisms present) influence the diversity of organisms that live there. Organisms can survive only in environments where their basic needs are met. All organisms need energy to live and grow. This energy is obtained from food. The role an organism serves in an ecosystem can be described by the way in which it gets its energy.
Students who demonstrate this understanding can:
3.L.5A.2. Develop and use a food chain model to classify organisms as producers, consumers, and decomposers and to describe how organisms obtain energy.