Cyanobacteria Characteristics and Classification
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Questions and Answers

Which of these are characteristics of cyanobacteria?

  • Photosynthetic (correct)
  • Oxygenic (correct)
  • Eukaryotic
  • Prokaryotic (correct)

    • What is the classification of Gleocapsa?

    Cyanobacteria

    Where is Gleocapsa commonly found?

    Freshwater

    How does Gleocapsa grow?

    <p>Colonial</p> Signup and view all the answers

    What is the classification of Anabeana?

    <p>Cyanobacteria</p> Signup and view all the answers

    Where can Anabeana be found?

    <p>Freshwater</p> Signup and view all the answers

    What does Anabeana resemble as it grows?

    <p>Strings of pearls</p> Signup and view all the answers

    What is the classification of Oscillatoria?

    <p>Cyanobacteria</p> Signup and view all the answers

    Where is Oscillatoria usually found?

    <p>Freshwater</p> Signup and view all the answers

    What is the growth form of Oscillatoria?

    <p>Unbranched and filamentous</p> Signup and view all the answers

    Which of the following are characteristics of algae?

    <p>Eukaryotic</p> Signup and view all the answers

    What factors are considered in the classification of algae?

    <p>Types of photosynthetic pigments</p> Signup and view all the answers

    What is the classification of Chrystophyta?

    <p>Algae</p> Signup and view all the answers

    Which of the following describes Chrystophyta?

    <p>Golden brown algae</p> Signup and view all the answers

    What is the growth form of Chrystophyta?

    <p>Unicellular</p> Signup and view all the answers

    Where can Chrystophyta be found?

    <p>Marine</p> Signup and view all the answers

    What is the classification of Euglenophyta?

    <p>Algae</p> Signup and view all the answers

    How does Euglenophyta grow?

    <p>Unicellular</p> Signup and view all the answers

    Where can Euglenophyta typically be found?

    <p>Freshwater, marine</p> Signup and view all the answers

    What is the classification of Chlorophyta?

    <p>Algae</p> Signup and view all the answers

    What are the characteristics of Chlorophyta?

    <p>Green algae</p> Signup and view all the answers

    What is the growth diversity of Chlorophyta?

    <p>All of the above</p> Signup and view all the answers

    What is an example of an Euglenophyta organism?

    <p>Euglena gracilis</p> Signup and view all the answers

    Where can Chlorophyta be found?

    <p>Freshwater, soils, marine</p> Signup and view all the answers

    Which organisms are examples of Chlorophyta?

    <p>Spirogyra</p> Signup and view all the answers

    Which of the following characteristics describe protozoa?

    <p>All of the above</p> Signup and view all the answers

    What is the classification guideline of Protozoa?

    <p>Means of locomotion</p> Signup and view all the answers

    What is the classification of Sarcodina?

    <p>Protozoa</p> Signup and view all the answers

    What type of motility do Sarcodina exhibit?

    <p>Pseudopods</p> Signup and view all the answers

    What is an example of a Sarcodina organism?

    <p>Amoeba - free living</p> Signup and view all the answers

    What is the classification of Ciliophora?

    <p>Protozoa</p> Signup and view all the answers

    Which of these are examples of Ciliophora organisms?

    <p>Paramecium caudatum</p> Signup and view all the answers

    What is the classification of Mastigophora?

    <p>Protozoa</p> Signup and view all the answers

    What are the characteristics of Mastigophora?

    <p>Flagellated</p> Signup and view all the answers

    Which organism belongs to the Mastigophora classification?

    <p>Trypanasoma gambiense</p> Signup and view all the answers

    What are the characteristics of Trypanasoma gambiense?

    <p>Causes African sleeping sickness</p> Signup and view all the answers

    What is the classification of Sporozoa?

    <p>Protozoa</p> Signup and view all the answers

    Which of these characteristics describe Sporozoa?

    <p>Spore producing</p> Signup and view all the answers

    What is an example of a Sporozoa organism?

    <p>Plasmodium</p> Signup and view all the answers

    What are the characteristics of Plasmodium?

    <p>Causes malaria</p> Signup and view all the answers

    What are the characteristics of Ciliophora?

    <p>Ciliated</p> Signup and view all the answers

    Study Notes

    Cyanobacteria

    • Characteristics: Oxygenic, photosynthetic, and prokaryotic organisms.
    • Gleocapsa: Freshwater cyanobacteria growing in colonial forms of 2, 4, 8, or 16 cells.
    • Anabeana: Freshwater cyanobacteria growing filamentously, resembling strings of pearls.
    • Oscillatoria: Freshwater cyanobacteria that are unbranched and filamentous, growing like a stack of pennies.

    Algae

    • Characteristics: Oxygenic, photosynthetic, eukaryotic organisms containing chlorophylls and other pigments.
    • Classification Guidelines: Based on types of photosynthetic pigments, cell wall composition, and photosynthetic storage products.
    • Chrystophyta: Golden brown algae including diatoms with silica in their cell walls, typically unicellular and found in freshwater and marine environments.
    • Euglenophyta: Unicellular, flagellated algae found in freshwater and marine habitats, e.g., Euglena gracilis.
    • Chlorophyta: Green algae, can be unicellular, colonial, or multicellular, found in freshwater, soils, and marine locations (e.g., Volvox aureus and Spirogyra).

    Protozoa

    • Characteristics: Unicellular and heterotrophic organisms lacking a cell wall.
    • Classification Guidelines: Determined by their means of locomotion.
    • Sarcodina: Protozoa using pseudopods for motility, such as free-living amoebas.
    • Ciliophora: Characterized by cilia; notable organisms include Paramecium caudatum and Stentor.
    • Mastigophora: Flagellated protozoa, represented by Trypanasoma gambiense, a human parasite causing African sleeping sickness.
    • Sporozoa: Non-motile spore-producing protozoa, with Plasmodium as a key organism responsible for malaria.

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