What is seaweed? zMulticellular algae zKingdom Protista zPrimary producers zchlorophyll to transform...
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Transcript of What is seaweed? zMulticellular algae zKingdom Protista zPrimary producers zchlorophyll to transform...
![Page 1: What is seaweed? zMulticellular algae zKingdom Protista zPrimary producers zchlorophyll to transform light energy from the sun into chemical energy.](https://reader036.fdocuments.us/reader036/viewer/2022062805/5697bfd31a28abf838cac74e/html5/thumbnails/1.jpg)
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What is seaweed?
Multicellular algaeKingdom ProtistaPrimary producers chlorophyll to transform light energy from
the sun into chemical energy
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Observe seaweed and land plant… what are differences? Similarities?(use a Venn Diagram)
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How are seaweeds different from plants?
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Differences
Land Plants Seaweed
Roots YES No roots, holdfasts
Nutrients From roots Through cells, surrounding water
Support Vascular System Hydrostatic
Water Fresh Salt
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How would you classify seaweed?
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Did you know….
There are 3 main types of seaweed?
Chlorophyta (Green algae)
Phaeophyta (Brown algae)
Rhodophyta (Red algae)
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Green algae (Chlorophyta)
Pigments: Chlorophyll
Fresh water, Brackish water, and coastal waters
Only 10% of 6-7000 species are marine
Ulva
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Examples of Chlorophyta
Halimeda
•Calcareous green algae helps in coral reef growth.
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Examples of Chlorophyta
Neomeris
Cladophoropsis
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Brown Algae (Phaeophyta)
Pigment: chlorophyll AND additional colors to make it brown
Dominate colder region coastlines
Size: small and delicate to large and thick
Kelp
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Examples of Phaeophyta
SargassumPadina
Laurencia
Dictyoda
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Examples of Phaeophyta (Kelp)
Laminaria
Nereocystis
MacrocystisHow tall would you be if you grew 20 inches per day?
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Red algae (Rhodophyta)
Pigments: chlorophyll AND red or blue
Dominant algae in the tropics, grow in all oceans
Deepest depths
Red > Green + BrownPterocladia
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Examples of Rhodophyta
Liagora
Galaxaura
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Examples of Rhodophyta
Gracilaria (Ogo)
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Examples of Rhodophyta
CorallineEncrusting Branching
What type of marine animal does this look like?
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And even more examples!
Chondrus - Irish Moss
Botryocladia
Amansia
Would you consider boiling one of these to make pudding?
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Make a list 1-8… walk around and decide what Phylum each belongs to.
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Invasive Seaweed
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The Super Sucker!
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Uses of Seaweed
How do you think people use seaweed?
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Using the reading list down 10 uses for seaweed (only 5 can be food related)