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Written by caryl
We think that life began on Earth at least 3.5 to 4 billion years ago. This is because the oldest evidence of life form recorded is a 3.49-billion-year-old microscopic fossil. The remains of the Stromatolites or microbial reefs created by cyanobacteria were found in the Pilbara region of Western Australia. This oldest fossil ever discovered […]
Written by basha
Ammonites: They are sea animals that first appeared in the fossil record around 400 million years ago in the Devonian period and became extinct at the same time as dinosaurs. They had a soft bodies and used their Spiral-shaped shell for protection. Scientist believe they may have avoided predators by squirting ink. They belong to […]
