Human activites have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered Altered biogeochemical cycle combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.
Clownfish have a "symbiotic" relationship with sea anemone. Meaning they benefit from living with the sea anemone, and the sea anemone benefits from the presence of the clownfish.
