Download - The Eukaryotes
THE EUKARYOTES
Eukaryotes Generally larger than prokaryotic cells
Contains a nucleus and other organelles bound by a membrane
Eukaryotes The mitochondria and chloroplast:
In terms of cellular organelles, what makes the mitochondria and chloroplast unique?
Protista Extremely diverse group of eukaryotes
Range from simple, single-celled organisms to giant, multicellular organisms
Protista
Protists Mainly aquatic organisms
Some are autotrophs Others are heterotrophs
Many are symbiotic organisms Know examples!
Types of Protists
Found in the table on page 63.
Types of Protists Autotrophs: Undergo photosynthesis
similar to plants
Euglenoids: Single-cellular
Diatoms: Single-cellular
Algae (Red, Green, or Brown)
Types of Protists
Types of Protists
Types of Protists Heterotrophs
Ciliates: single cells with many cilia Flagellates (dino- and choano-)
Unicellular with flagellum
Amoebas: Unicellular Move by deforming cell
Cells extend “pseudopods” out
Apicomplexa: Unicellular All parasitize animals
Plasmodium: Causes malaria Cryptosporidium: Water-born protist causing diarrhea
Types of Protists
Protist life cycles Simple unicellular organisms
Describe the process by which these organisms undergo reproduction and a process that results in increased genetic diversity.
Protist life cycles Multicellular organisms and parasitic
organisms
Usually have more complex life cycles
Alternation of generation
Life cycle of brown algae
Life cycle of Plasmodium Know Figure 14 on page 66 of textbook