Concept Understand that all organisms in an ecosystem are linked together in a food chain. Destroy the food chain, and you destroy that ecosystem.

This experiment is for beginners to learn how to make a slide of a specimen, an onion peel, and view it under a microscope.

The world underneath This is the closeup of an onion. In fact, so up and close, that you can actually see the cells and the nucleus within each one of them.