What are the 4 major types of organisms in aquatic systems?

A. Plankton, Nekton, Benthos, Decomposers
B. Phytoplankton, Zooplankton, Fish, Mollusks
C. Predators, Herbivores, Detritivores, Producers
D. Euphotic, Bathyal, Abyssal, Hadal

What are the 3 zones of an ocean?

A. The Euphotic Zone, The Mesopelagic Zone, The Hadal Zone
B. The Surface Zone, The Thermocline, The Deep Zone
C. The Epipelagic Zone, The Mesopelagic Zone, The Abyssal Zone
D. The Sunlit Zone, The Twilight Zone, The Midnight Zone

What are the 4 zones of a lake?

A. The Littoral Zone, The Limnetic Zone, The Profundal Zone, The Benthic Zone
B. The Surface Zone, The Thermocline, The Deep Zone, The Abyssal Zone
C. The Shallow Zone, The Muddy Zone, The Rocky Zone, The Deep Zone
D. The Freshwater Zone, The Saltwater Zone, The Brackish Zone, The Estuarine Zone

Aquatic systems house four major types of organisms: Plankton, Nekton, Benthos, and Decomposers. The ocean has three notable zones: the Euphotic Zone, the Mesopelagic Zone, and the Hadal Zone. A lake, meanwhile, contains the Littoral Zone, the Limnetic Zone, the Profundal Zone, and the Benthic Zone.

Explanation:

The major types of organisms in aquatic systems are Plankton, Nekton, Benthos, and Decomposers. Ocean zones include the Euphotic Zone, the Mesopelagic Zone, and the Hadal Zone. In a lake, the zones are the Littoral Zone, the Limnetic Zone, the Profundal Zone, and the Benthic Zone.

Different kinds of organisms are adapted to the conditions found in each zone. For instance, abundant plankton serve as the base of the food chain for larger animals such as whales and dolphins in the ocean. When these organisms and the ones that feed on them die, their bodies fall to the bottom of the ocean, where they remain. This makes zones such as the benthic realm nutrient-rich, hosting a diversity of organisms.

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