Biogeochemical Cycles

We're working around the world to protect the lands and waters on which all life depends and fight climate change. Join us. These handy guides highlight the most important nutritional information to ... © 2025 World Small Animal Veterinary Association. All Rights Reserved ... Jupiter is the fifth planet from the Sun, and the largest in the solar system – more than twice as massive as the other planets combined. May 28, 2018 ... What is a Capybara? Click here to find 10 fun facts about the world's largest rodent ... animal. A whole host of bird species, monkeys, rabbits, ... Humans constantly try to organize information about the world around ... Although scientists have described nearly 2 million species on Earth, this ... ... largest secular day of protest in the world. 1970 timeline graphic. 1980 ... Species Act, Marine Mammal Protection Act, Superfund, Toxics Substances ... Polar Bear. Ursus maritimus. Status: Threatened. Classification: Mammal. Description. Polar bears are the largest carnivorous land mammals on Earth. They are ... Elephants, the largest land mammals, still face being killed for their tusks. Help WWF's elephant conservation efforts to fight poaching, conflict and ... The eruption emitted large amounts of gas and ash that changed the colour of the sky worldwide. ... The Earth beneath our feet is constantly shifting and moving, ... The largest animal ever to live on Earth is an ocean mammal called the blue whale. It's as long as two school buses! Dolphins, porpoises, and sea lions are ...