This video discusses what is in ecosystems and biomes and differences between different ecosystems.

This video discusses the movement of energy through food chains.

This video discusses how scientists classify different types of animals.

This video discusses what habitats are and how different animals adapt to different habitats.

This video discusses animal groups and why animals might live together.

This video discusses food webs and how energy is transferred in food webs.

This video discusses the role that decomposers play in the food chain.