Food Chains & Food Webs

The video tutorial explains the concept of food chains and food webs, highlighting the flow of energy from the sun through various organisms. It describes how energy is transferred and lost at each step of a food chain, typically involving four steps. The tutorial also introduces food webs, which are interconnected food chains, and discusses the interdependence of species within these webs. It emphasizes the potential consequences of altering a food web, such as the extinction of a species, which can have significant impacts on the entire ecosystem.

How do food chains typically vary in length and why?

Describe the consequences of removing grasshoppers from the food web.