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Biomes

Marine

Ocean wave crashing


There are two major aquatic or water biomes, the marine biome and the freshwater biome. The marine biome is primarily made up of the saltwater oceans. It is the largest biome on planet Earth and covers around 70% of the Earth's surface. Go here to learn more about the world's different oceans.

Types of Marine Biomes

Although the marine biome is primarily made up of the oceans, it can be divided up into three types: Ocean Light Zones

The ocean can be divided up into three layers or zones. These layers are called light zones because they are based on how much sunlight each area receives. Animals of the Marine Biome

The marine biome has the most biodiversity of all the biomes. Many of the animals, such as fish, have gills that allow them to breathe the water. Other animals are mammals that need to come to surface to breathe, but spend much of their lives in the water. Another type of marine animal is the mollusk which has a soft body and no backbone.

Here are just a few of the animals that you will find in the marine biome:
Great white shark in ocean
Great White Shark


Plants of the Marine Biome

There are thousands of species of plants that live in the ocean. They rely on photosynthesis from the sun for energy. Plants in the ocean are extremely important to all life on planet earth. Algae in the ocean absorbs carbon dioxide and provides much of the Earth's oxygen. Examples of algae include kelp and phytoplankton. Other ocean plants are seaweeds, sea grasses, and mangroves.

Facts About the Marine Biome More ecosystem and biome subjects:

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