Science Worksheets and Study Guides Fourth Grade. Organ systems

The resources above correspond to the standards listed below:

Oklahoma Academic Standards

OK.4-LS. Life Science
4-LS1. From Molecules to Organisms: Structure and Processes - Students who demonstrate understanding can:
4-LS1-1. Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.