Science Worksheets and Study Guides Third Grade. What are Ecosystems?

The resources above correspond to the standards listed below:

Colorado Standards

CO.2. Life Science
2.1. The duration and timing of life cycle events such as reproduction and longevity vary across organisms and species. Students can:
2.1.a. Use evidence to develop a scientific explanation regarding the stages of how organisms develop and change over time
2.1.b. Analyze and interpret data to generate evidence that different organisms develop differently over time
2.1.c. Use a variety of media to collect and analyze data regarding how organisms develop