Plankton are a collection of tiny organisms that live at and beneath the surface of lakes, rivers, ponds, and oceans across the planet. They’re named for the Greek word planktos, meaning to ...

What have you learnt about plankton? Use this information to make a fact file. Remember to note what are the most important facts.

Zooplankton are one of the most diverse and abundant groups of organisms on Earth and they play an essential role in the marine food chain. Unable to photosynthesise, as phytoplankton do ...

This “euphotic” zone, bathed in just enough light to support the vibrant ecosystems we’re familiar with, is where the majority of marine life thrives, from the tiniest plankton to the ...