Do ecosystems need predators?. What role do sharks and other top predators play in the coral reef ecosystem?
Watch the following videos and listen carefully ure=channel .
THE SILENCE OF THE FROGS Chapter 1.1. Amphibians have been around for more than 400 million years. Frogs and their relatives have adapted to the ice.
Energy Cycling in Ecosystems Principles of Ecology.
Do ecosystems need predators?
Primary Production by Michael L. Murphy Presented by: Katy O’Donnell.
Aquatic Food Webs
TOO MUCH OF A GOOD THING!
