The Cambrian Period saw the emergence of the first groups with hard body parts, such as early arthropods with armored exoskeletons made of a tough material rich in carbon called chitin. These adaptations allowed these armored creatures to thrive and expand in huge numbers throughout the world’s oceans.
Related Posts
How a century-old drug could revolutionise cobra bite treatment
Kurit Afshen / Shutterstock Tian Du, University of Sydney and Greg Neely, University of Sydney About 1.8 million…
19-million-year-old fossil jaw bone hints the biggest whales first evolved somewhere unexpected
The baleen whale fossil at Museums Victoria Research Institute. Eugene Hyland, Museums Victoria James Patrick Rule, Monash University…
Wallacea is a living laboratory of Earth’s evolution – and its wildlife, forests and reefs will be devastated unless we all act
A family of Spectral Tarsiers captured on a towering ficus tree in Tangkoko National Park, Sulawesi, Indonesia. (Ondrej…
The furry puss caterpillar’s venom packs a painful punch. Now new research shows it came from an unlikely source
Donald W. Hall, Author provided Andrew Walker, The University of Queensland Did you know venom – a toxic…