They are the start of a food chain. Animals get all the energy and nutrients ... Pupils could be given pictures of various organisms and asked to put in order of what eats what.

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 ...

Newborn fish are mistaking tiny bits of trash for food. If they die, there’ll be fewer big fish—and that could rattle the food chain ... and the animals that eat them, depend on just how ...