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The marine freshwater food chain is a feeding hierarchy where organisms in an aquatic ecosystem transfer energy through consumption. It typically starts with primary producers like algae and phytoplankton, which are then eaten by small aquatic animals like zooplankton. These smaller animals are then consumed by larger predators, creating a chain of energy transfer from one organism to the next in the ecosystem.

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1y ago

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Are diatoms freshwater marine or both?

Diatoms can be found in oceans, freshwater, and also in soils on damp surfaces


What is the difference between marine and freshwater ecosystem is the presence of?

The main difference between marine and freshwater ecosystems is the salt concentration in the water. Marine ecosystems have high salt concentrations, whereas freshwater ecosystems have low salt concentrations. This difference in salinity influences the types of organisms that can thrive in each ecosystem.


Aquatic ecosystem can be divided into?

Aquatic ecosystems can be divided into two main categories: marine ecosystems, which occur in saltwater environments such as oceans and seas, and freshwater ecosystems, which occur in non-salty bodies of water like lakes, rivers, and ponds. These ecosystems support a wide range of plant and animal life and are interconnected through various physical and biological processes.


Why would you expect a freshwater amoeba to be more likely to ha contractile vacuoles than marine amoeba would?

Marine amoebae live in a saltwater environment. If the vacuoles take in too much salt, it'll suck all the liquidy stuff out of the amoeba itself. Freshwater amoebae are in a freshwater environment so they don't have to worry about that.


Explain how freshwater and ocean ecosystems interact?

Freshwater and ocean ecosystems interact through the water cycle, with freshwater from rivers and streams ultimately flowing into the oceans. This connection allows for the transfer of nutrients, species, and energy between the two ecosystems. For example, some marine species such as salmon may migrate from the ocean to freshwater rivers to spawn, while coastal wetlands can act as important nurseries for both freshwater and marine species.