End-of-unit evaluation - The natural environment. Ecosystems

Most of the energy used by living things originally comes from sunlight which is trapped by autotrophs (or producers). This energy is then transferred from the producers to all other living things…

Ecosystems: Balance within food chains and energy pyramids

This resource consists of a short video about the ecossytems nd the food pyramids.

Matter is recycled and energy is lost in ecosystems

When living things die, decomposers use the organic material to obtain energy. In doing this, they turn the organic biomolecules into inorganic material again. The action of decomposers closes the cycle…

The EU comes to the aid of fragile marine ecosystems

Bottom fishing gears damage vulnerable marine ecosystems in the high seas. The EU has already taken measures to protect deep sea corals and other vulnerable habitats in European waters in the Atlantic,…

Habitats/Ecosystems - FREE presentations in PowerPoint format, interactive

Desert Ecosystem

Video about the desert ecosystems.

What Is An Ecosystem

A video that explains what ecosystems are.

What is Deforestation?

Deforestation refers to the cutting, clearing, and removal of rainforest or related ecosystems into less bio-diverse ecosystems such as pasture, cropland, or plantations

Biome challenge

Online quiz designed to test our knowledge of the major land ecosystems.

Food chains

Interactive lesson that allows us learn about food chains and ecosystems.