This is a pre-assessment to be done at the beginning of a unit on the needs of living things. Students draw themselves and what they need to survive. The lesson can be downloaded in PDF format.

A post-assessment at the end of a unit on the needs of living things. The lesson materials can be downloaded in PDF format.

Students learn about the basic needs of animals by creating and observing a worm terrarium. The lesson and student worksheets can be downloaded in PDF format.

Discusses the interrelatedness of all living things and of ecosystems and biomes, and what organisms need to survive and to maximize the carrying capacity of an ecosystem. This explanation is followed by a series of activities including...

A tutorial that compares and constrast plants and animals. Explore how living things their obtain basic needs, protect, support, and reproduce. A PDF file of the tutorial is available.