An unappreciated group of filter-feeding animals found around our coastlines ... have quietly embraced the lower reaches of the food chain as filter feeders, sustaining themselves on microscopic ...

In the circle of life, certain animals form the foundation of the food chain, providing essential sustenance for predators. These prey species play a vital role in maintaining balanced ecosystems.

What is a food chain? All living things including humans, animals and plants need energy to live. But, where do they get their energy from? The answer is easy - all living things get their energy ...

NARRATOR: What is a food chain? All living things, including humans, animals and plants, need energy to live. But where do they get their energy from? The answer is easy - all living things get ...