Water takes up more than 70 of the Earths surface. That means that if you divided the Earth into ten equal parts seven of those equal parts would be made of water.
The water on earth is categorized into two groups freshwater ecosystems and saltwater ecosystems.
Saltwater is water that has a lot of salt in it.
Freshwater is water that contains very little salt.
3 Saltwater Ecosystems
Oceans seas and some lakes are examples of saltwater ecosystems.
The amount of salt in each one is not the same.
Plants and animals live in the shallow (not deep) parts because the suns shines more in these areas.
4 Ocean Zones
Oceans are the worlds largest ecosystem.
Water is deeper is some places than in others and the water temperature also changes.
The ocean is divided into three zones. The zones are defined by how much sunlight they get.
The deeper the water the colder and darker it becomes.
Plants and animals can be found in the areas closer to the surface.
5 Ocean Zones (continued) 6 Animals Found in Saltwater Ecosystems crustaceans fish sharks sponges penguins whales 7 Freshwater Ecosystems
These include rivers streams lakes and ponds.
Rivers and streams have moving water. The water may be moving fast or slow.
Lake are usually larger and deeper than ponds.
Just like in the oceans plants and animals live in the shallow (less deep) parts. The sun shines more in the shallow parts.
8 Animals Found in Freshwater Ecosystems Grebe Turtle Trout Puffer fish Otter Pelican Bullfrog 9 Are these saltwater or freshwater ecosystems 10 Review
What are two kinds of water ecosystems
Which zone of the ocean gets the least amount of sunlight
Name some freshwater ecosystems Saltwater ecosystems
In both types of ecosystems where can the most plants and animals be found Why
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