Marine phytoplankton are microscopic organisms that form the foundation of the oceanic food web, playing a crucial role in carbon cycling and oxygen production. They are responsible for nearly half of the Earth's photosynthetic activity, significantly influencing global climate and marine ecosystems.

Marine Phytoplankton

Microscopic Organisms

The oceanic food web is a complex network of interconnected food chains that illustrates the flow of energy and nutrients through marine ecosystems, starting from microscopic phytoplankton to top predators like sharks and whales. It highlights the interdependence of marine species and the impact of environmental changes on ocean biodiversity and stability.

Oceanic Food Web

Carbon cycling is the process through which carbon atoms are exchanged among the biosphere, geosphere, hydrosphere, and atmosphere of Earth, playing a crucial role in regulating climate and supporting life. Human activities, such as fossil fuel combustion and deforestation, have significantly altered the natural carbon cycle, contributing to climate change.

Carbon Cycling

Oxygen production primarily occurs through the process of photosynthesis, where plants, algae, and certain bacteria convert carbon dioxide and water into oxygen and glucose using sunlight. This process is critical for maintaining atmospheric oxygen levels and supporting aerobic life on Earth.

Oxygen Production

Earth's photosynthetic activity

Global Climate

Marine ecosystems are complex networks of interactions among organisms and their environment in oceanic and coastal waters, playing a crucial role in global biodiversity and climate regulation. They encompass a wide variety of habitats, from coral reefs and kelp forests to deep-sea hydrothermal vents, each supporting unique communities of life and contributing to ecological balance and human economies.

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