Students learn how to count animal populations by the Mark and Recapture method. In this counting animal populations lesson plan, students begin by predicting amounts of different candies in a jar. Students then simulate using beans, two...

Learners discuss the benefits and problems associated with fire. They discuss the role that fire plays in maintaining healthy ecosystems. Students brainstorm ways that fire can be harmful, such as damaging homes, communities, and...

Middle schoolers investigate a local forest ecosystem and discover the biotic and abiotic parts of the forest. Students observe the groundcover, understory, and canopy layers as well as collect leaves and bark in order to identify trees...

Students share their prior knowledge of the elements of the environment. In groups, they are introduced to the concepts of biotic and abiotic factors in a specific environment. They discover their effects on organisms living in the...

Students study how some activities effect the environment and ecosystems.

Students explore abiotic factors that affect habitats. After a class lecture, students work in groups to answer questions about plant tissue, production and growth. They share answers, complete a crossword puzzle, and create a habitat...

Students describe safe practice when doing field and lab investigations in a estuary or wetland. They create a model of an estuary and describe their value and function. They participate in field study in which they collect and analyze...

Young scholars discover the urban ecosystem through a series of activities. They explore both the biotic and abiotic factors of the urban environment.

Take an interactive quiz over ecological problems affecting the environment. After completing the quiz, check your score, and then revisit any incorrect question for further review.

A webpage giving an overview of ecology. Learn about the biotic and abiotic factors that make up an ecosystem as well as the different levels of ecology.

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.