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The major categories of freshwater ecosystems are rivers and streams, lakes and ponds, and freshwater wetalnds Hope this helps
The freshwater biome includes rivers, streams, lakes, and ponds. Oceans are a part of the saltwater biome.
The four types of Aquatic Ecosystems are - 1. Oceans are the largest of the ecosystems covering more than 70 % of the earth's surface. 2. Freshwater bodies like lakes and ponds 3. Flowing fresh water like rivers and streams 4. Wetlands with wet soil and plants that grow in this type of soil
Only a tiny fraction of the planet's abundant water is available to us as freshwater. About 97.4% by volume is found in the oceans and is too salty for drinking, irrigation, or industry (except as a coolant). Most of the remaining 2.6% water is freshwater and locked up in ice layers or glaciers or it's too deep underground to be reached or too salty to be used. Thus, only about 0.014% of the earth's total volume of water is easily available to us as soil moisture, usable groundwater, water vapor, and lakes and streams. Read more: http://www.lenntech.com/aquatic/introduction.htm#ixzz1ql9Vj8Ej
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Crayfish live in brackish to pure freshwater. There are species that live in streams, creeks and rivers as well as some that live in lakes and ponds. The ones that you may see in the store are usually the species that live in brackish waters because they tend to grow bigger than the other species.
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I think something to do with saltwater.
Estimates are that 97% of the water on earth is salt water or brackish water, the majority of it being in the oceans, seas, and bays. About 2% of the freshwater is frozen in glaciers. And less than 1% of the freshwater is in lakes, rivers, streams, and potable groundwater. See Links.
It becomes what is know as brackish. An example of brackish water is the Chesapeake Bay, fresh water enters at the top of the bay from the Susquehanna as well as about 100 other streams and rivers. The bay then opens into the Atlantic Ocean. The Chesapeake is tidal, but is also constantly being fed with fresh water.
Frogs are primarily freshwater creatures. While some frog species can tolerate brackish water (a mix of freshwater and saltwater), most frogs live and breed in freshwater habitats such as ponds, lakes, streams, and marshes. They typically do not thrive in saltwater environments.
oceans freshwater and lakes and streams cover 2/3 of earth
3.5%
The major categories of freshwater ecosystems are rivers and streams, lakes and ponds, and freshwater wetalnds Hope this helps
everywhere ,but the ponds,streams,and wetlands.
streams