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Bio 106L > Protista > Flashcards

Protista Flashcards

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Biology 101 flashcards
1
Q

Linnaeus

A

Linnaeus, Sweden, 1707-1778

Father of Systematics and taxonomy.

-NOTE: The term Kingdom has now been replaced by LINEAGE

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2
Q
A

Lineage EXCAVATA

PHYLUM Euglenida

Characteristics for whole group:

-presence of flagella

Examples:

Heterotrophic (def: organisms that eat other organisms)

Paranema- single flagellum, heterotrophic, freshwater protists of ponds/streams.

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3
Q

A

Lineage Excavata

PHYLUM Parabasalida

-symbiotic or parasitic, not-free-living, 1 nucleus, typically multi-flagellated

Examples we will see today

Trichonympha- symbionts of termites

Trichomonas vaginalis- causes STD

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4
Q
A

Lineage Excavata

PHYLUM Diplomonadida

  • some free-living, some parasitic or symbionts
  • 2 nuclei- typically 8 flagella
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5
Q
A

Lineage Excavata

PHYLUM Kinetoplastids (3 demos slides)

Trypanasoma cruzi

  • free-living or symbionts/parasites
  • 2 nuclei, typically 8 flagella

Other examples:

T. brucei and T. gambiense-

Both cause African sleeping sickness

Assassin bug-”kissing bug” vector of T. cruzi- the cause of Chagas Disease

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6
Q

A

LINEAGE ALVEOLATA

PHYLUM Apicomplexa

  • all parasitic
  • Presence of a “apical complex”-specialized structures used to penetrate their hosts

Examples:

Gregarina (prep. Slide) Plasmodium vivax- causes Malaria

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7
Q
A
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8
Q
A

Lineage Alveolata

PHYLUM Ciliata

  • 2 types of nuclei present (macro and micro), cilia present for feeding and/or locomotion, largest protist phylum, all heterotrophic
  • Examples:

-

  • Paramecium- (wet mount).
  • Freshwater ciliates (notice cilia covering protists)
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9
Q
A

Lineage Alveolata

PHYLUM Ciliata

Euplotes

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10
Q
A

Lineage Alveolata

PHYLUM Ciliata

Stentor

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11
Q
A

Lineage Alveolata

PHYLUM Ciliata

Vorticella

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12
Q
A

Lineage Rhizaria

Phylum Actinopoda

  • Amoeba-like organisms with long, thin pseudopodia (axopodia)
  • Marine forms, radiolarians, have porous skeletons
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13
Q
A

Lineage Rhizaria

Phylum Foraminifera

  • Amoeba-like cells that secrete a porous, calcium carbonate test
  • Forams are among the most abundant organisms in the oceans
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14
Q

A

Lineage Amoebozoa

Phylum Rhizopoda

  • Single nucleus
  • Pseudopodia (occasionally flagellated)
  • No spores
  • Heterotrophic
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15
Q
A

Lineage Amoebozoa

Phylum Myxogastrida

  • Plasmodial Slime Molds
  • Occur as a network of interconnected strands called a plasmodium
  • A plasmodium is a coenocyte, a single cell with many nuclei but no cell walls
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16
Q
A

Lineage Amoebozoa

Phylum Dictyostelida

  • Cellular Slime Molds
  • Exist mainly in the form of independent amoeboid cells called myxamoebas
17
Q
A

Bio 106L (2 decks)

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