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Questions and Answers
Which classification system of algae primarily uses phylogeny to define phyla?
Which classification system of algae primarily uses phylogeny to define phyla?
- Chapman's system that focuses on pigments, morphology, and biochemistry.
- G.E. Papenfuss's system that recognizes 8 phyla. (correct)
- G.M. Smith's modified Pascher classification.
- Christensen's system, emphasizing cell structure.
Which characteristic is LEAST likely to be considered when distinguishing algal groups?
Which characteristic is LEAST likely to be considered when distinguishing algal groups?
- The structure of flagella, including scales and insertion angles.
- The process of cytoplasmic division (cytokinesis).
- The type of cell covering present.
- The surrounding environmental temperature. (correct)
Which feature is a shared characteristic of Chlorophyceae?
Which feature is a shared characteristic of Chlorophyceae?
- Presence of phycobiliproteins
- Presence of chlorophylls a and b (correct)
- Mitochondria with tubular cristae
- Storage of starch outside the chloroplast
Which cellular feature is characteristic of Chlorophyta?
Which cellular feature is characteristic of Chlorophyta?
Which statement accurately describes sexual reproduction in Chlorophyceae?
Which statement accurately describes sexual reproduction in Chlorophyceae?
Which characteristic differentiates Charophyceae from other classes of green algae?
Which characteristic differentiates Charophyceae from other classes of green algae?
Which genus is classified within the class Pleurastrophyceae?
Which genus is classified within the class Pleurastrophyceae?
What ecological characteristic is most representative of the class Prasinophyceae?
What ecological characteristic is most representative of the class Prasinophyceae?
Which of the following genera belongs to the class Ulvophyceae?
Which of the following genera belongs to the class Ulvophyceae?
Which feature is characteristic of the Division Chromophyta?
Which feature is characteristic of the Division Chromophyta?
What distinguishes centric diatoms from pennate diatoms?
What distinguishes centric diatoms from pennate diatoms?
Which ecological role is particularly significant for species in the class Bacillariophyceae?
Which ecological role is particularly significant for species in the class Bacillariophyceae?
What feature characterizes the class Bicosoecaeae?
What feature characterizes the class Bicosoecaeae?
What shared characteristic defines the class Chrysophyceae, also known as golden algae?
What shared characteristic defines the class Chrysophyceae, also known as golden algae?
Which of the following describes a key feature of the class Dictyochophyceae?
Which of the following describes a key feature of the class Dictyochophyceae?
What is a unique characteristic of the flagella in species belonging to the Order Pedinellales?
What is a unique characteristic of the flagella in species belonging to the Order Pedinellales?
What is the function of siliceous skeletons in Dictyochales?
What is the function of siliceous skeletons in Dictyochales?
Which feature is notable in the class Eustigmatophyceae?
Which feature is notable in the class Eustigmatophyceae?
Which algal class is characterized by having a hairlike appendage called a haptonema between two flagella?
Which algal class is characterized by having a hairlike appendage called a haptonema between two flagella?
What role do coccolithophorids play concerning global warming?
What role do coccolithophorids play concerning global warming?
Which structural feature is characteristic of Raphidophyceae (Chloromonadophyceae)?
Which structural feature is characteristic of Raphidophyceae (Chloromonadophyceae)?
Which class includes algae with species such as Tribonema and Vaucheria?
Which class includes algae with species such as Tribonema and Vaucheria?
Which description applies to Division Cryptophyta?
Which description applies to Division Cryptophyta?
Which pigment is characteristic of photosynthetic species within Division Rhodophyta?
Which pigment is characteristic of photosynthetic species within Division Rhodophyta?
What is a key structural component associated with phycobiliproteins in Rhodophyta (red algae)?
What is a key structural component associated with phycobiliproteins in Rhodophyta (red algae)?
Rhodophyta contribute significantly to which marine ecosystem?
Rhodophyta contribute significantly to which marine ecosystem?
Which statement describes a unique aspect of Division Dinoflagellata (Pyrrophyta)?
Which statement describes a unique aspect of Division Dinoflagellata (Pyrrophyta)?
What is the significance of cellulosic plates in many dinoflagellates?
What is the significance of cellulosic plates in many dinoflagellates?
What is a characteristic feature of the nucleus in resting (interphase) dinoflagellates?
What is a characteristic feature of the nucleus in resting (interphase) dinoflagellates?
What is a shared feature for algae in Division Euglenophyta?
What is a shared feature for algae in Division Euglenophyta?
What type of nutrient storage is characteristic of Class Euglenophyceae?
What type of nutrient storage is characteristic of Class Euglenophyceae?
Which structural feature characterizes the mitochondria of Euglenophyceae?
Which structural feature characterizes the mitochondria of Euglenophyceae?
Match the scientist to their contribution to algal classification: Vaucher
Match the scientist to their contribution to algal classification: Vaucher
Match the scientist to their contribution to algal classification: Link and Brown
Match the scientist to their contribution to algal classification: Link and Brown
Match the scientist to their contribution to algal classification: Agardh
Match the scientist to their contribution to algal classification: Agardh
Which of Fritsch's algal classes does NOT belong?
Which of Fritsch's algal classes does NOT belong?
According to the information provided, which of Tilden's classification criterion does NOT belong?
According to the information provided, which of Tilden's classification criterion does NOT belong?
What did Chapman and Chapman (1973) divide algae into?
What did Chapman and Chapman (1973) divide algae into?
Flashcards
What are algae?
What are algae?
A group of photosynthetic organisms, classified into different divisions and classes based on various criteria.
Who was Pascher?
Who was Pascher?
Proposed a classification system of algae based on phylogeny and interrelationships.
Who was G.M. Smith?
Who was G.M. Smith?
Modified Pascher's classification, dividing algae into 7 divisions and further into classes.
Who was Prescott?
Who was Prescott?
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What are flagellate structures?
What are flagellate structures?
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What is Chlorophyta?
What is Chlorophyta?
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What is Chlorophyceae?
What is Chlorophyceae?
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What are the different body forms for Chlorophyceae?
What are the different body forms for Chlorophyceae?
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What is Isogamous reproduction?
What is Isogamous reproduction?
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What is Anisogamous reproduction?
What is Anisogamous reproduction?
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What is Charophyceae?
What is Charophyceae?
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What is Pleurastrophyceae?
What is Pleurastrophyceae?
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What is Prasinophyceae?
What is Prasinophyceae?
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What is Ulvophyceae?
What is Ulvophyceae?
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What is Chromophyta?
What is Chromophyta?
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What is Bacillariophyceae?
What is Bacillariophyceae?
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What is Bicosoecaeae?
What is Bicosoecaeae?
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What is Chrysophyceae?
What is Chrysophyceae?
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What is Dictyochophyceae?
What is Dictyochophyceae?
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What are Pedinellales?
What are Pedinellales?
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What are Dictyochales?
What are Dictyochales?
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What is Eustigmatophyceae?
What is Eustigmatophyceae?
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What is Prymnesiophyceae?
What is Prymnesiophyceae?
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What is Raphidophyceae?
What is Raphidophyceae?
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What is Mitosis?
What is Mitosis?
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What is Cytokinesis?
What is Cytokinesis?
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What is Xanthophyceae?
What is Xanthophyceae?
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What is Cryptophyta?
What is Cryptophyta?
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What is Rhodophyta?
What is Rhodophyta?
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What is Dinoflagellata?
What is Dinoflagellata?
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What is Euglenophyta?
What is Euglenophyta?
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Is algal taxonomy absolute?
Is algal taxonomy absolute?
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