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    Wize University Biology Textbook > Invertebrates (Part 1: Non-Molting)

    Porifera (Sponges)

    3 Activities


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    More Porifera (Sponges) Questions:
    What are the following features and in what taxa can you find them?
    1. Spicules: what are they?
    2. Spicules: what taxon?
    Which of the following is not a function of choanocytes?
    Which of the following has radial symmetry?
    Which of the following is true of sponges?
    What is the osculum in sponges?
    What is the outgroup of animals?
    Which of the following has radial symmetry?
    Which of the following cell types is lacking in sponges?
    Invertebrates (Practice Question)
    1. Which of the following sponge cell types engulf bacteria?
    A) Spongocoel
    B) Osculum
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