2009年12月28日 · Sea urchins may use the whole surface of their bodies as compound eyes, scientists now suggest. Although sea urchins don't have any problems avoiding predators or …

2018年5月29日 · Sea urchins are the only animals that have vision despite "conspicuously lacking eyes," write Dan-Eric Nilsson, a biologist at the University of Lund in Sweden who studies …

2011年5月4日 · Sea urchins may use their entire bodies—from the ends of their "feet" to the tips of their spines—as one huge eye, a new study says.

2018年6月12日 · Sea urchins lack eyes, but can see with their tentacle-like tube feet instead, previous research has indicated. Now, researchers at Lund University in Sweden have tested …

2024年8月18日 · Sea urchins use tiny, moveable structures called pedicellariae as makeshift eyes. These small, hair-like appendages are scattered across their bodies, allowing them to …

2011年5月2日 · Clearly, the purple sea urchin can see, and over the past few years, scientists have worked out how: its entire body is an eye. For decades, scientists knew that sea urchins …

2010年2月6日 · Sea urchin bodies act as big spine-covered eyes, according to researchers who created "Twilight Zone" conditions to test how well the marine creatures can see.

2018年6月12日 · Sea urchins lack eyes, but can see with their tentacle-like tube feet instead, previous research has indicated. Now, researchers have tested their vision in a new study, …

2011年9月12日 · Researchers at the University of Gothenburg have shown that sea urchins see with their entire body despite having no eyes at all. The study has been published in the …

A study from Lund University in Sweden has determined that sea urchins have tentacle ‘tube feet’ that are able to see well enough to fill their basic needs. “Sea urchins are currently the only …