Marine ecosystems cover what percentage of the Earth's surface?

Marine ecosystems cover approximately 71% of the Earth's surface. This figure highlights the vastness of oceans, which are essential components of the planet's climate, weather patterns, and biodiversity. Oceans serve as habitats for countless species and play a crucial role in carbon cycling and nutrient distribution.

Understanding the importance of marine ecosystems is vital, as they impact global climate regulation and provide resources for food, recreation, and economic activities. The extent of these ecosystems emphasizes the interconnectedness of terrestrial and marine environments and the significance of protecting and managing marine resources for future generations.