Characteristics of diatoms Slideshow Play

Conditions in the sea Animation Play

Diatoms (Bacillariophyta) Student activity Play

Diatoms under the scanning electron microscope Slideshow Play

Life in the sea Student activity Play

One living world – five kingdoms Student activity Play

Phytoplankton Student activity Play

Plant movements Student activity Play

Reproduction in diatoms Animation Play

Tactic movements Animation Play

The evolution of invertebrates Student activity Play

The evolution of the plant world Student activity Play

The evolution of vertebrates Student activity Play

Three billion eight hundred million years of history Student activity Play

Which came first? Student activity Play