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Tree of Life
Plant Flower, Tree
Invertebrate Octopus, Ant, Bee, Butterfly, Spider, Lobster
Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
Mammal Bat, Rabbit, Giraffe, Camel, Horse, Elephant, Mammoth
Whale, Dolphin, Walrus, Seal, Polar Bear, Bear, Cat, Tiger, Lion, Dog, Wolf
Monkey, Chimpanzee, Human
These are organized by a classification scheme developed exclusively for Cosma. More…
polar bear : a large creamy-white carnivorous bear (Ursus maritimus synonym Thalarctos maritimus) that inhabits arctic regions — Webster
Polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses. It is a large bear, approximately the same size as the omnivorous Kodiak bear (Ursus arctos middendorffi). A boar (adult male) weighs around 350–700 kg (772–1,543 lb), while a sow (adult female) is about half that size. Although it is the sister species of the brown bear, it has evolved to occupy a narrower ecological niche, with many body characteristics adapted for cold temperatures, for moving across snow, ice and open water, and for hunting seals, which make up most of its diet. Although most polar bears are born on land, they spend most of their time on the sea ice. Their scientific name means “maritime bear” and derives from this fact. Polar bears hunt their preferred food of seals from the edge of sea ice, often living off fat reserves when no sea ice is present. Because of their dependence on the sea ice, polar bears are classified as marine mammals — Wikipedia
Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.
Life in the ice in a warmer Arctic
on May 9, 2019 at 1:22 pm
Recent research by an international team, involving the University of Cape Town (UCT), investigated how a future, warmer Arctic could impact the algae that live in sea ice—and form the base of the marine food web there. To do this, the team used modeling to predict how growth of sea-ice algae could change as our climate does. […]
Pesticide research must stay transparent and...
on May 7, 2019 at 12:50 pm
Few people would make an important purchase on trust alone. The same logic applies to pesticides. […]
Ocean's 'seasonal memory' affects Arctic climate...
on April 30, 2019 at 11:47 am
Following four expeditions in the Arctic Ocean and satellite data analysis, a team of Russian climate scientists featuring MIPT researchers described the ocean's "seasonal memory." This refers to a mechanism explaining how atmospheric circulation has caused the ice in the Eurasian Arctic to melt faster than in the American Arctic in the 21st century. The paper was published in the journal Atmosphere. […]
UN biodiversity conference to lay groundwork for...
on April 29, 2019 at 1:10 pm
Diplomats from 130 nations gathered in Paris on Monday to validate a grim UN assessment of the state of Nature and lay the groundwork for a rescue plan for life on Earth. […]
UN report to highlight urgent need for Nature...
on April 29, 2019 at 7:21 am
Diplomats from 130 nations gather in Paris from Monday to validate a grim UN assessment of the state of Nature and lay the groundwork for an 11th-hour rescue plan for life on Earth. […]