Aquatic Ecosystems - Administration

Aquatic Ecosystems - Administration

Aquatic Ecosystems S. Ned How are they determined?

Depth

Flow Temperature Chemistry .of the overlaying water Freshwater Ecosystems

What does fresh water mean? Flowing-water ecosystems Flowing-water

ecosystems Rivers, streams, creeks and brooks. Animals have anchors or streamline bodies Standing- water

ecosystems Standing-water ecosystems

Lakes and ponds Many organisms live here Ex Plankton (tiny floating organism)

Freshwater Wetlands Wetlands

Water is covering soil most of the year Marshes, swamps and bogs Can be saltwater, freshwater or mixed Wetlands Serve as a breeding ground for many

different organism. Estuaries Where fresh and salt water meet This is because it is where rivers meet the sea.

Estuaries Many fish breed at estuaries Primary producers are; plants, algae and both chemosynthetic and photosynthetic bacteria.

Assignment Give 3 examples of a standing water ecosystem. Give 3 examples of a flowing water ecosystem.

What is the difference between fresh and salt water ecosystems? What is the origin of fresh water?

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