Andree Walker thought of everything when he wrote this resource. It includes a detailed list of materials and background information links for the teacher. In addition, it has procedures, a macroinvertebrate identification key, and tally...

Research the impact that changes in biotic or abiotic factors might have on an ecosystem. Debate for or against the changes and take action in the community. This resource ideally follows stream studies that young ecologists may have...

This lesson will introduce abiotic and biotic factors, giving examples and comparing/contrasting the two. It is 2 of 4 in the series titled "Abiotic and Biotic Factors."

Take this ten question quiz on abiotic and biotic environments. The quiz is multiple choice.

This lesson will introduce abiotic and biotic factors, giving examples and comparing/contrasting the two. It is 4 of 4 in the series titled "Abiotic and Biotic Factors."

This lesson will introduce abiotic and biotic factors, giving examples and comparing/contrasting the two. It is 1 of 4 in the series titled "Abiotic and Biotic Factors."

A PowerPoint giving a basic definition of an ecosystem. Also explained with a definition and examples are abiotic and biotic factors of the ecosystem.

Explains what autotrophs and heterotrophs are, the several types of each, their roles in an ecosystem's food chains, and the differences between them.