A comprehensive investigation into the axial complex of sea urchins (Echinoidea), an internal structure with unknown function, has shown that within that group of marine invertebrates there exists a structural evolutionary ...
Plants & Animals
Jun 9, 2009
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0
In bubbling vents off the coast of Ischia, a volcanic island in the Gulf of Naples, lives a curious population of black sea urchins. For at least 30 years, they have lived in these low pH, carbon dioxide-rich environments—a ...
Plants & Animals
Jun 28, 2022
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82
A recent boom in the purple sea urchin population off the southern Oregon Coast appears to have had an indirect and negative impact on the gray whales that usually forage in the region, a new study shows.
Plants & Animals
May 21, 2024
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25
Some sea creatures cover themselves with hard shells and spines, while vertebrates build skeletons out of the same minerals. How do these animals get the calcium they need to build these strong mineral structures? Professors ...
Cell & Microbiology
Dec 5, 2016
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5
Global ocean temperatures are increasing due to climate change, exposing ecosystems to extreme temperatures called marine heat waves (MHWs), which can increase the temperature of marine waters by 5 degrees Celsius higher ...
Plants & Animals
Aug 4, 2022
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8
Consider the sea urchin. Specifically, the painted urchin: Lytechinus pictus, a prickly Ping-Pong ball from the eastern Pacific Ocean.
Plants & Animals
May 30, 2024
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8
When gray wolves were reintroduced to Yellowstone National Park, they sparked a resurgence of aspen trees.
Ecology
Jul 20, 2017
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7
Blue Cavern Point on the eastern edge of Santa Catalina Island, some 25 miles off the coast of San Pedro, California, is a hotbed of life. In the shallow edges of the water cling starfish, sea urchins and sea cucumbers. Farther ...
Plants & Animals
Jul 29, 2021
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662
In the summer of 2020, Florida Museum researchers Tobias Grun and Michał Kowalewski dove into the shallow waters off the coast of the Florida Keys and scoured the ocean floor for sea urchins. Telltale tracks and dimples ...
Plants & Animals
Nov 7, 2022
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61
If sperm can't swim, life can't go on. And a new study suggests that when evolution hit upon an effective strategy for making sperm move, it stuck with it.
Ecology
Nov 30, 2021
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41
