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Marine biology studies species that live in marine habitats. Most of the Earth's surface is covered by ocean, which is the home to marine life. Oceans
Marine biology studies species that live in marine habitats. Most of the Earth's surface is covered by ocean, which is the home to marine life. Oceans average nearly four kilometers in-depth and are fringed with coastlines that run for about 360,000 kilometres.
Tide pools with sea stars and sea anemone
Tide pools with sea stars and sea anemone
Estuaries have shifting flows of sea water and fresh water.
Estuaries have shifting flows of sea water and fresh water.
Coral reefs form complex marine ecosystems with tremendous biodiversity.
Coral reefs form complex marine ecosystems with tremendous biodiversity.
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General characteristics of a large marine ecosystem (Gulf of Alaska)
General characteristics of a large marine ecosystem (Gulf of Alaska)
Killer whales (orcas) are highly visible marine apex predators that hunt many large species. But most biological activity in the ocean takes place wit
Killer whales (orcas) are highly visible marine apex predators that hunt many large species. But most biological activity in the ocean takes place with microscopic marine organisms that cannot be seen individually with the naked eye, such as marine bacteria and phytoplankton.
Composition of seawater. Quantities in relation to 1 kg or 1 litre of sea water.
Composition of seawater. Quantities in relation to 1 kg or 1 litre of sea water.
The Earth's water cycle
The Earth's water cycle