Oceanography
What is sand dollars? Would you be rich if you owned a lot of dollars of sand?
At first, the name sounds like an ancient trading method, but it is actually the name of a marine species with many interesting facts.
Sea urchin
Browse ScienceInfo articles and explainers related to Sea urchin.
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Articles about Sea urchin
18 published items.
Oceanography
See sea urchins turned upside down from the inside out to ... be reborn
Besides the strange shape, the way of reproduction and development of sea urchins is also very special, because they possess the technique of 'turning from the inside ou…
Oceanography
Both purple sea urchin 'army' threatens the US coast
The coastal ecosystem from the US state of California to Oregon is facing the purple sea urchin 'army', with the number of urchins increasing by more than 10,000% since…
Oceanography
Discover the stunned red urchin, living the longest on Earth
Red sea urchins, invertebrate-shaped invertebrates appear 450 million years ago. This is one of the most 'living' animals on Earth.
Oceanography
The only animal that looks with ... legs
According to the Daily Mail, sea urchins are by far the only animal that can see without eyes.
Oceanography
The truth behind a strange object like a giant baseball appeared on the coast
Hundreds of balls
Oceanography
Scary 'sparks' in the ocean
Fire urchins, also known as red porcupines, have the scientific name Fire Sea urchin, they are the ones
Oceanography
Sea otters 'protect the earth'
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 absorb…
Oceanography
Song to match the flanges to hunt
Scientists at the University of Tuscia in Italy have discovered a combination of sea fish and starfish when they attack the sea urchin prey.
Oceanography
Sea urchins 'look' with thorny feathers
A new study confirms that the sea urchin's bristling body acts as a large eye covered with thorns.
Oceanography
People have relatives with sea urchins
Scientists have deciphered the sea urchin genome and found that the soft-bodied creatures are not spent, not the same brain as humans. They found the purple sea urchin g…
Animal world
The most lonely bird on the planet is dead
In New Zealand, the most lonely bird on the planet - the Nigel Sea is dead. Metro edition reported on the death of the sea.
Animal world
The strange eye under the sea
Scientists know that sea urchins (also known as prickly urchins), one of the invertebrate groups, have no eyes or any organs like eyes.
Animal world
The secret of the sea urchin's sharp teeth
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.
Environment
Land of sea urchin
In the breeding season, hundreds of thousands of sea urchins often return to Bass Rock Island, making it one of the largest concentration places in the world.