(1.). All Prokaryotes >Achaea and Bacteria Some Protists Plants Fungi Animals Most Protists.
Plants & Protists
Transcript of Plants & Protists
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Bellringer Cancelled on Short Week
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Agenda
Collect Homework– Cell Metaphor Assignment
Notes: Plants & Protists– Specialized Plant Organelles– Protists: Jack of All Trades
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Plant Specific Organelles
Plants cells have all of the organelles that Animal cells do.
They also have a few organelles that animals do not have.– Cell Wall– Chloroplasts– Central Water Vacuole
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Cell Wall The cell wall surrounds the
membrane of plant cells. It is made of a tough,
fibrous material called cellulose.
It provides support and protection for the cell.
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Chloroplasts Chloroplasts are the organelles where
photosynthesis occurs. Photosynthesis is when light energy is
captured and used to combine water and carbon dioxide into glucose (sugar).
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Central Water Vacuole The central water vacuole is a large
vacuole in plants that stores water. It also keeps turgor pressure, which is
the pressure exerted on the cell wall that helps a plant remain upright.
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BrainPOP: Cell Types
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Protists Protists are very diverse lifeforms.
They are eukaryotic organisms that may
be unicellular or multicellular and may be consumers or producers.
There are 3 categories of protists– Animal-Like– Plant-Like– Fungus-Like
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Protozoans (Animal-Like)
Unicellular, so similar to bacteria Eukaryotic, so similar to plants & animals Protozoans move by use of flagella, cilia,
or pseudopods.
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Pseudopod Movement
Pseudopods are also called ‘false feet’
Cell membrane pushes in one direction & the cytoplasm flows into the bulge. The protozoan moves by dragging the rest of the cell behind it.
Pseudopods can also be used to surround and trap food
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Pseudopod Feeding
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Ameoba Movement Video
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Algae (Plant-Like) Some algae are multicellular, so they are
similar to plants (kelp/seaweed) Euglena are unicellular algae that perform
photosynthesis, but will act like consumers when there is no sunlight
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Euglenoid Video
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Slime Molds (Fungus-Like) These “blobs” are decomposers who
move to feed on dead material Like plants these have cell walls, but
the wall is not made of cellulose
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Slime Mold Video
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Summary Plants Cells Contain:
– Chloroplasts– Cell Wall– Central Water Vacuole
Protists– Animal-Like (Protozoans)– Plant-Like (Algae)– Fungus-Like (Slime Molds)