Which are most of the sea decomposers
A lake is also known as a still water and is the counterpart to a flowing water (streams and rivers). However, it can happen that a lake is in a constant exchange of water due to inflows and / or outflows.
But what is an ecosystem and what does it actually consist of?
To do this, let's first look at the term itself. "Eco" comes from the ancient Greek "oikos" and means something like house. "System" can be derived from the ancient Greek "systema" and means "something connected". In fact, two things are connected in an ecosystem: That Biotope (Habitat) with the Biocenosis (Creature). Transferred to the lake ecosystem, the focus is on the interactions and connections between the lake habitat and the living beings that live in it.
The number of organisms in such an ecosystem can only be roughly estimated and is in the range of several billion individual microorganisms. Of course, larger animals such as crabs or fish also live in such an ecosystem. All living beings can be divided into producers, consumers and destructors:
The Producers In a lake there are essentially plants and algae (also known as phytoplankton). In the course of photosynthesis, they generate glucose (sugar) from water, carbon dioxide and light for their growth, as well as oxygen as a waste product. The oxygen is used by other aerobic (oxygen consuming) creatures in the lake.
Under Consumers all organisms can be grasped that cannot produce their food themselves (autotrophic) but are dependent on food intake (heterotrophic). Either they feed on plants and phytoplankton (herbivores), or on other living things (carnivores). The pike (picture on the right) is a typical predatory fish and therefore a consumer.
Finally there is the Destructorswhich mainly include bacteria and fungi. Their main task is to break down dead biomass (consisting of dead producers and consumers) so that the organic substances are returned to inorganic substances. This closes the material cycle between producers, consumers and destructors
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