aquatic ecosystems · saltwater ecosystem producers kelp seaweed algae sea grass salt marsh grass ....
TRANSCRIPT
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Aquatic Ecosystems
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Card Sort
Use your marker to divide the sorting mat into two habitats: freshwater (ponds, lakes, rivers) and saltwater (oceans and estuaries)
Sort the organisms on the aquatic cards into the habitat to which each belongs.
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What is an aquatic ecosystem?
In Spanish, the word “agua” means “water”.
In Italian, the word “acqua” means “water”.
Using those word roots, what do you think an aquatic ecosystem is?
Aquatic ecosystems are habitats that exist in bodies of water.
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Freshwater Ecosystems Lakes
Ponds
Rivers
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Producers in freshwater ecosystems
cattails Water lilies
algae
duckweed reeds
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Consumers in freshwater ecosystems
Freshwater fish Ducks Frogs and Toads
Water Moccasin Boatman Insect beaver
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Discussion Question
Producers make their own energy.
Consumers eat other organisms to get energy.
Decomposers break down dead, decaying organisms.
Which of the following organisms is a decomposer? How do you know?
bacteria turtle goldfish
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Saltwater Ecosystems
oceans
estuaries
saltwater marshes
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Saltwater ecosystem producers
kelp
seaweed
algae
sea grass
salt marsh grass
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Saltwater ecosystem consumers
sharks jellyfish
starfish
pelican fish
coral
plankton
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What is an estuary? Estuaries are ecosystems that form where freshwater from
rivers and streams blends into the saltwater ocean.
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Estuaries are…
• Important habitats for many plants and animals.
• Responsible for filtering out pollution and dirt that have travelled down the river before it reaches the ocean.
• Areas where many people live, fish, boat, and bird watch.
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Discussion Question
- Sharks eat all types of fish. If people killed most of the sharks in an ecosystem, how would the ecosystem be affected?
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Discussion Question
- The majority of organisms that exist in the ocean choose to live in the upper layer of the water closest to the surface. Why do you think seaweed would be found here?
- Why would jellyfish prefer this area?
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Re-Sort
Turn your sorting mat over to the blank side.
Divide your cards into producers and consumers.
Take the pile of producers and put them to one side. Take the consumers and sort them into carnivore, herbivore, and omnivore based on the diet listed on the cards.
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Final Question
Choose the best answer. Then explain your answer in your science notebook.
Which of the locations on this diagram of a pond would be the most likely to have the greatest number of producers? A) Point A B) Point B C) Point C