Science Worksheets and Study Guides Fourth Grade. Ecosystems and changes in ecosystems

The resources above correspond to the standards listed below:

Virginia Standards of Learning

VA.4. Virginia 2010 Science Standards of Learning
LIVING SYSTEMS
4.5. The student will investigate and understand how plants and animals, including humans, in an ecosystem interact with one another and with the nonliving components in the ecosystem. Key concepts include
4.5.b) Organization of populations, communities, and ecosystems and how they interrelate.
4.5.d) Habitats and niches.