Top of the food web: People

Feeding relationships are often shown as simple food chains – in reality, these relationships are much more complex, and the term ‘food web’ more accurately shows...

All living things depend on one another to live. Animals eat plants and/or animals to survive. Food webs describe the feeding connections between organisms in an...

Very tiny phytoplankton cells (a type of microscopic algae) can produce potent toxins. Although the toxin produced by one phytoplankton cell is pretty minimal, it can...