Red sea urchins, invertebrate-shaped invertebrates appear 450 million years ago. This is one of the most 'living' animals on Earth.
According to the Daily Mail, sea urchins are by far the only animal that can see without eyes.
Hundreds of balls
When hunting sea urchins, otters not only solve their hunger, but also help humans reduce the global warming, scientists claim. Sea urchins eat kelp, a plant that absorbs strongly
If the ground is the dominant area of humanity, the sea is the place where a lot of fear for humanity is spread because this is the land of
Scientists at the University of Tuscia in Italy have discovered a combination of sea fish and starfish when they attack the sea urchin prey.
Scientists have discovered nearly 20,000 fossils belonging to ancient aquatic species buried under a mountain in China.
A group of people in Quang Tri has captured a large-sized bird, which according to animal experts is the sea urchin.
The spikes of sea urchins make them look like pins filled with pins, but besides, they also have very strong teeth that can be plugged into stone.
To reduce CO2 in the atmosphere one can 'catch' carbon and then put it into underground reservoirs. However, this way is both difficult to achieve high efficiency in practice, it