Correct answer: C) Nutrients are circulated throughout the biosphere
Biogeochemical cycles are cycles by which essential elements of a living organism are circulated continuously. It consider the biological, chemical, and geological aspect of each cycle.
The most important biogeochemical cycles are nitrogen cycle, carbon cycle, water cycle, oxygen cycle and phosphorous cycle.
Biogeochemical cycle always have a state of equilibrium, and the state of equilibrium is attained when there is balance in cycling of element among the compartment.
The answer is Endemic Species
Endemic species refer to those that can only be found in a particular geographic location such as a specific island, habitat, or other pre identified zones. To be categorized as an endemiz species, that species must only be found in 1 specific location and nowhere else in the world
One of the example of endemic species is Comodo Dragon that can only be found in Comodo Island, Indonesia