Ecology & Environment

What Did Researchers Find at the Bottom of the Challenger Deep?

The Mariana Trench is known to house the deepest point in the world, Challenger Deep. Only two people have dared to confront its fearful and dark deepness, and their venture proved that life prevails even in the deepest of waters, which poses a question to us: If sea creatures can exist in the lowest areas …

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Are Abert and Kaibab Squirrels Examples of Speciation?

When a new kind of species is created because of a separation in habitat, they start to develop unique characteristics. What is the phenomenon called, and are there actual examples of this happening in our world today? The Abert and Kaibab Squirrels live on opposites sides of the Colorado River. They used to be in …

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While scientists were analyzing prehistoric worms recovered from permafrost, two 40,000 year old nematodes ‘revived’ and began moving and eating, making them the oldest multi-cellular life alive on Earth.

Ancient Roundworms Allegedly Resurrected From Russian Permafrost The permafrost of Russia’s Siberian heartland has yielded an array of impressive finds in recent years. Last September, a local resident wandering along the banks of a river in the republic of Yakutia discovered the roughly 50,000-year-old remains of an extinct lion cub almost perfectly preserved by the …

While scientists were analyzing prehistoric worms recovered from permafrost, two 40,000 year old nematodes ‘revived’ and began moving and eating, making them the oldest multi-cellular life alive on Earth. Read More »

Elephants are a keystone species. They carve pathways through impenetrable under brush shaping entire ecosystems as they create pools in dried river beds and spread seeds as they travel.

keystone species A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. Keystone species have low functional redundancy. This means that if the species were to disappear from the ecosystem, no other species would be able to fill …

Elephants are a keystone species. They carve pathways through impenetrable under brush shaping entire ecosystems as they create pools in dried river beds and spread seeds as they travel. Read More »