Food Chain - Energy Flow in Ecosystems

The video explains the concept of food chains, illustrating how energy moves through an ecosystem. It provides an example of a marine food chain starting with phytoplankton and ending with sharks. The role of producers, such as algae and plants, which harness energy from the sun, is also discussed.

What is a food chain and what does it illustrate about energy in an ecosystem?

Explain how energy moves through living things in an ecosystem.

Describe a simple marine food chain starting with phytoplankton.

How do phytoplankton contribute to the marine food chain?

What role do producers play in a food chain?