Tag «keystone»

How Starfish Changed Modern Ecology

How Starfish Changed Modern Ecology

– [Narrator] For Bob, the tide pool is a natural laboratory. There are hunters, and filter feeders, scavengers, and plants giving food and shelter. (gentle orchestral music) And among the mussels, and barnacles, anemones, and snails, a large predator lurks. (water bubbling) Despite appearances, starfish are skilled hunters. Each of their arms carry eye-like sensors. …

Scientist Gains Vision Underwater

Scientist Gains Vision Underwater

(birds cawing) – When I was a child I was severely myopic from who knows what age. I didn’t know that you could see leaves on a tree from the ground. But something happened before I got glasses and that was that I was let loose with a mask and snorkel. (water bubbling) For the …

Keystone Species and Their Role in Ecosystems

Keystone Species and Their Role in Ecosystems

Keystone species are those that play a unique and crucial role in ecosystem function. They have a disproportionately large effect on their environment relative to their abundance. Because of their key role in maintaining biodiversity efforts to manage and protect keystone species can help stabilize the entire biological community. The term keystone species was first …