3rd grade ch. 3 lesson 4 what are water ecosystems
Post on 16-Jan-2015
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Ch. 3 Lesson 4Ch. 3 Lesson 4What are water What are water ecosystems?ecosystems?
fresh-watereco-
systems
lakes ponds rivers streams
moving water
surrounded by
land
wetland• low land that is covered by
water at least part of the year
Wetland video clip
• example: Everglades• “river of grass”
• water – shallow & flows very slowly
Everglades National Park
Welcome to the Florida Everglades video clip
saltwater ecosystem
top
deep sea
saltwater ecosystems
•oceans cover much of Earth’s surface
•most sea life on top
•rivers flow ocean
salt marsh•wetlands when fresh water from rivers mix with salt water from ocean
Salt Marsh Facts and Fun video clip
Examples:
Wetlands- Everglades
Lakes & ponds
Rivers & streams (moving water)Oceans contain salt
Cover much of Earth’s surface
Rivers flow into them
Most life is at the top
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