🗨The marine ecosystem includes all the living and non-living components of the ocean environment.

🗨The ocean covers approximately 71% of the Earth's surface and contains 97% of the Earth's water.

🗨The ocean is divided into five major zones: intertidal, neritic, oceanic, benthic, and abyssal.

🗨The intertidal zone is the area that is exposed to air during low tide and covered by water during high tide.

🗨The neritic zone is the shallow part of the ocean that extends from the coast to the edge of the continental shelf.

🗨The oceanic zone is the open ocean beyond the continental shelf and includes the epipelagic, mesopelagic, bathypelagic, abyssopelagic, and hadalpelagic zones.

🗨The benthic zone is the bottom of the ocean and includes the continental shelf, continental slope, and abyssal plain.

🗨The abyssal zone is the part of the ocean that is deeper than 4,000 meters.

🗨The hadal zone is the deepest part of the ocean, found in oceanic trenches.

🗨The ocean is home to a diverse array of organisms, including fish, mammals, birds, reptiles, and invertebrates.

🗨Phytoplankton are microscopic plants that form the base of the marine food chain.

🗨Zooplankton are small animals that feed on phytoplankton and are themselves eaten by larger animals.

🗨Marine mammals include whales, dolphins, seals, and sea lions.

🗨Sea turtles are reptiles that live in the ocean and are threatened by human activities such as fishing and pollution.

🗨Coral reefs are diverse ecosystems that provide habitat for a wide range of marine organisms.

🗨Seagrass meadows are important habitats for many fish and invertebrates.

🗨Mangrove forests are found in coastal areas and provide important nursery habitats for many fish and invertebrates.

🗨Overfishing can lead to the depletion of fish populations and disrupt marine ecosystems.

🗨The Gulf of Mexico is a productive marine ecosystem that supports important commercial and recreational fisheries.

🗨The Arctic Ocean is home to unique marine ecosystems, including sea ice communities and deep-sea hydrothermal vents.

🗨The Antarctic Ocean is home to large populations of krill, which are an important food source for many marine organisms.

🗨Marine debris, such as plastic pollution, can harm marine organisms and disrupt marine ecosystems.

🗨The ocean plays an important role in regulating the Earth's climate and weather patterns.

🗨The ocean is a source of food and other resources for humans, but these resources must be managed sustainably to ensure their continued availability.

🗨Marine ecosystems are interconnected with terrestrial ecosystems and are affected by human activities on land.

🗨Ocean currents play an important role in the distribution of nutrients and organisms in the marine ecosystem.

🗨The deep sea is one of the least explored parts of the planet and is home to many unusual and unique organisms.