Striking a Balance

Explore food chains in the Amazon Rainforest using this resource. Learners discuss the predator vs. prey relationships in the food chain. Then, they create a food web to describe this relationship. This is a simple and effective way to...

It's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...

Entangle your life science class in learning with this collaborative food web activity. Using pictures of the plants and animals native to a particular ecosystem, young biologists work in small groups to construct visual...

Middle schoolers explore the many different food chains. They participate in a game in which the class is divided into the different parts of the food chain.

Plants. We can't live without them! Bill Nye discusses how every living thing relies on plants using a concept called the food web. In a very visual demonstration, he ties a cord from one picture to another on a three-dimensional...

What happens when an ecosystem gets out of balance? This is the focus of a video that explains the importance of each organism's role in an ecosystem.

Explore the food chains that support Arctic ecosystems. A class discussion on interdependence and the different roles plants and animals play in ecosystems provides students with the knowledge to complete a worksheet asking them to...

Packed with visual aids and multiple learning opportunities, an engaging exercise challenges individuals as they explore the role of producers, consumers, and decomposers. After discussing differences between food chains, food...

It is safe to say that everything is best in moderation—including preservatives in food. Microbes and oxidation are the main reasons foods become spoiled. Thanks to preservatives, our foods end up having a longer shelf life. But what...

Students study life science. In this food webs and food chains comparison lesson, students examine the wetlands to discover the relationships that exist between the animals that live there. They participate in group activities and...