The ocean covers more than 70% of Earth’s surface and is home to a vast array of life forms and complex ecosystems. This eBook delves into the study of marine biology and the intricacies of ocean ecosystems, offering insights into the diversity of marine life, from microscopic plankton to the largest mammals on the planet.

It explores the structure and function of different marine ecosystems, including coral reefs, mangroves, deep-sea environments, and polar waters. The guide also addresses the challenges these ecosystems face, such as pollution, overfishing, and climate change, and the conservation efforts underway to protect them. For anyone fascinated by the ocean’s mysteries, this eBook provides a captivating overview of marine biology and the critical role oceans play in Earth’s ecological balance.