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

The resources above correspond to the standards listed below:

Rhode Island Standards

RI.LS1. Life Science: All living organisms have identifiable structures and characteristics that allow for survival (organisms, populations, & species).
LS1 (K-4) POC-3. Predict, sequence or compare the life stages of organisms-plants and animals (e.g., put images of life stages of an organism in order, predict the next stage in sequence, compare two organisms).
LS1 (3-4)-3. Students demonstrate an understanding of reproduction by...
3a. Observing changes and recording data to scientifically draw and label the stages in the life cycle of a familiar plant and animal.
3b. Sequencing the life cycle of a plant or animal when given a set of data/pictures.
3c. Comparing the life cycles of 2 plants or 2 animals when given a set of data/pictures.
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...
6a. Demonstrating in a food web that all animals' food begins with the sun.
6c. Explaining the way that plants and animals in that habitat depend on each other.