How molluscs use colour to defend themselves!
Squids, octopuses, and cuttlefishes are among the few animals in the world that can change the colour of their skin in the blink of an...
Coelenterates
The phylum Coelenterata consists of about 9,000 species of jellyfish, hydras, sea anemones, and corals. The name coelenterates describes...
How colourful can an organism be?
The plant and animal kingdoms are rich with bright colours, from the bright green of photosynthesising plants to the bold black and...