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Phytoplankton.

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Are estuaries saltwater or freshwater ecosystems?

They contain elements of both freshwater and saltwater ecosystems.


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.


What are three ecosystem?

The three ecosystems are ocean, freshwater, and terrestrial.


Different kinds of ecosystems?

There are many different types of ecosystems on earth that are categorized into three major classes of ecosystems that include freshwater, ocean, and terrestrial. Ocean ecosystems are the largest covering 75 percent of the earth.


Is it true that the salinity of an ocean will increase when a freshwater source flows into it?

False


Is a marsh a type of wetland that forms when freshwater source meets the ocean?

No, a marsh is a type of wetland characterized by freshwater vegetation and conditions. It forms in low-lying areas like river deltas or near ponds and lakes. When a freshwater source meets the ocean, it can create a different type of wetland called an estuary.


Why does the melting of the ice caps lower the concentration of salt in the ocean?

The ice caps are made of freshwater.


How does the migration of salmon link ecosystems that are vast distance apart?

The migration of salmon is when bears or wolves deposit the dying or dead salmon to the ocean into the forest. Salmon's migrate in the ocean to the forest. It links the nutrients. The nutrient in the ocean to the forest. I hope I cleared your Q.


Do perch live in an ocean or in freshwater?

usually freshwater.......


Is an ocean a freshwater?

No Oceans are not Freshwater, they are salt water


Are rivers freshwater?

There are only freshwater waterfalls. No saltwater waterfall so yes they are a source of freshwater


What are some things about ocean ecosystems?

they are ecosystems!