Sea lilies, despite their name, aren't plants. They're animals related to starfish and sea urchins, with long feathery arms resting atop a stalk that keeps them anchored to the ocean floor. Sea lilies have been around for ...
Paleontology & Fossils
Dec 9, 2019
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1092
(Phys.org)—A team of researchers from the U.K. and the U.S. has identified the remains of a 430-million-year-old extinct echinoderm found in a fossil bed in Herefordshire, England. In their paper published in Proceedings ...
(Phys.org) -- Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species.
Plants & Animals
Apr 17, 2012
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0
An unusual fossil find is giving scientists new ideas about how some of the earliest animals on Earth came to dominate the world's oceans.
Archaeology
Apr 3, 2017
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195
(Phys.org)—Biologists record increasing amounts of plastic litter in the Arctic deep sea: studies confirm that twice as much marine debris is lying on the seabed today compared to ten years ago
Environment
Oct 23, 2012
2
0
Researchers from the University of Cambridge have discovered a fossil of the earliest starfish-like animal, which sheds light on the origins of the nimble-armed creature. The prototype starfish, which has features in common ...
Evolution
Jan 20, 2021
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2570
A new study of marine fossils from Antarctica, Australia, New Zealand and South America reveals that one of the greatest changes to the evolution of life in our oceans occurred more recently in the Southern Hemisphere than ...
Earth Sciences
May 17, 2018
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160
Nature abounds with examples of evolutionary arms races. Certain marine snails, for example, evolved thick shells and spines to avoid be eaten, but crabs and fish foiled the snails by developing shell-crushing claws and jaws.
Evolution
Mar 15, 2010
1
0
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
Osprey Reef is the tip of an isolated seamount in the Coral Sea off the northeast coast of Australia. The seamount rises some 1500 meters to near sea level, and the submerged atoll, with a perimeter of nearly 70 km, encloses ...
Environment
Jan 13, 2016
0
7
