Questions and Answers
Which of the following characteristics describe Beroida?
What are the distinctive features of Lobata?
Cydippida has which of the following characteristics?
Which features describe Cestida?
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Identify the characteristics of Platyctenida.
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Study Notes
Classes of Ctenophora
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Beroida (Class Nuda)
- Characterized by a compressed oval shape
- Lacks tentacles, featuring a very large mouth
- Planktonic lifestyle
- Notably preys on other ctenophores
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Lobata (Class Tentaculata)
- Displays an inflated oval shape with lobate features
- Short tentacles present but lacks tentacle pouches
- Planktonic in nature
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Cydippida (Class Tentaculata)
- Exhibits an inflated round-oval form
- Possesses long branched tentacles with tentacle pouches
- Found in planktonic habitats
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Cestida (Class Tentaculata)
- Identified by a flat, ribbon-shaped structure
- Features reduced comb rows and very short tentacles
- Lives a planktonic lifestyle
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Platyctenida (Class Tentaculata)
- Characterized by a very flat, rectangular-oval shape
- Contains reduced comb rows primarily at the center
- Has short tentacles with pouches
- Includes many benthic species adaptations
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Description
Test your knowledge of the various classes of Ctenophora with these flashcards. Each card provides key characteristics that define the different classes, such as Beroida, Lobata, and Cydippida. Perfect for biology students looking to enhance their understanding of marine invertebrates.
