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Protists
Eukaryota not fungi, animals, or plants
21
Biology
Undergraduate 1
10/16/2012

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Cards

Term
Excavata
Definition
  • Diplomanads and Parabasalids
  • lack plasmids
  • have reduced mitochondria
  • lack key enzymes
Term
Diplomanads
Definition
  • 2 Nuclei
  • Multiple Flagella
Term
Parabasalids
Definition
  • undullating membrane and flagella
  • picked up genes from bacteria
Term
Euglenozoans
Definition
  • Euglenids and Kinetoplastids
  • spiral or crystalline rod inside flagella
Term
Euglenids
Definition
  • autotrophic
  • some inject prey
  • spiral or crystalline rode inside flagella
Term
Kinetoplasts
Definition
  • free-living or parasitic
  • spiral or crystalline rode inside flagella
Term
Alveolates
Definition
  • diverse group with sacs
  • dinoflagellates, apicomplexans, ciliates
Term
Dinoflagellates
Definition
  • armor of cellulose
  • 2 flagella in a groove 
Term
Apicomplexans
Definition
  • parasitic sporozoites 
  • complex lifecycle - sexual and asexual stages
Term
Ciliates
Definition
  • have short cilia in rows over entire body
  • reproduce by binary fission
  • 2 nuclei - micro and macro
  • conjugation - exchange micronuclei
Term
Stramenopiles
Definition
  • have flagellum with hair-like projections paired with smooth flagellum
  • often only reproductive cells
  • Oomycytes, diatoms, brown algea
Term
Oomycetes
Definition
  • water molds
  • decomposers or parasites
  • resemble fungi - multinucleated filiments
Term
Diatoms
Definition
  • unicellular algae
  • glass-like shells with overlapping lids
  • reproduce asexually
Term
Brown Algae 
Definition
  • large and multicellular
  • thallus with blade(leaf), stipe(stem), and holdfast(roots)
  • alternation of generation
Term
Foraminiferans
Definition
thread-like pseudopodi - false foot
Term
Archaeplastida
Definition
  • red and green algae 
  • land plants are decendents of a protist that swallowed a cyanobacterium
Term
Red Algae
Definition
  • large, multicellular algae in warm seas
  • absorb blue and green, relfect red
Term
Green Algae
Definition
  • single celled, colonial, multinucleated or relatively large, complex
  • alternation of generation - sexual and sexual reproduction
Term
Amebozoans
Definition
  • lobe shaped pseudopodia 
  • slime molds, gymnamoebas
  • water and soil
  • engulf prey
  • no sex

 

 

Term
Plasmodial Slime Molds
Definition
  • multinuclear supercell - only 1 cell
  • brightly colored
  • engulf food
  • mostly diploid
  • haploid flagellated or ameboid cells - fuse to form diploid stage
Term
Cellular Slime Mold
Definition
  • solitary ameobas
  • live as haploid
  • sexual reporduction
  • cells can agregate 
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