The video explores the concepts of food chains and food webs, emphasizing the flow of energy through trophic levels and the importance of biodiversity in ecosystems. It explains how energy is transferred from producers to various levels of consumers and highlights the role of decomposers. The video also discusses the impact of changes within food chains and the resilience provided by biodiversity.

What is the difference between a food chain and a food web?

Define biodiversity and explain its importance in an ecosystem.

What role do decomposers play in an ecosystem?