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Mangroves are trees or shrubs that grow in low-oxygen soil near coastlines in tropical or subtropical latitudes. [8] They are an extremely productive and complex ecosystem that connects the land and sea.
An ecosystem (or ecological system) is a system formed by organisms in interaction with their environment. [2]: 458 The biotic and abiotic components are linked together through nutrient cycles and energy flows.
A school of large pelagic predator fish (bluefin trevally) sizing up a school of small pelagic prey fish (). Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live on or near the bottom, and reef fish that are associated with coral reefs.
The Orang Laut are several seafaring ethnic groups and tribes living around Singapore, Peninsular Malaysia and the Indonesian Riau Islands. The Orang Laut are commonly identified as the Orang Seletar from the Straits of Johor , but the term may also refer to any Malayic -speaking people living on coastal islands, including those of the Mergui ...
Microorganisms make up about 70% of the marine biomass. [4] A microorganism, or microbe, is a microscopic organism too small to be recognised adequately with the naked eye. In practice, that includes organisms smaller than about 0.1 mm. [12]: 13
Entomostraca is a historical subclass of crustaceans, no longer in technical use.It was originally considered one of the two major lineages of crustaceans (the other being the class Malacostraca), combining all other classes—Branchiopoda, Cephalocarida, Ostracoda, Copepoda and Maxillopoda.
Freshwater ecosystem. Freshwater ecosystems are a subset of Earth's aquatic ecosystems that include the biological communities inhabiting freshwater waterbodies such as lakes, ponds, rivers, streams, springs, bogs, and wetlands. [1]
Saltwater fish, also called marine fish or sea fish, are fish that live in seawater.Saltwater fish can swim and live alone or in a large group called a school. [1]Saltwater fish are very commonly kept in aquariums for entertainment.