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Phylum Porifera: Characteristics of Sponges

Phylum Porifera: Characteristics of Sponges

Learn about the characteristics of sponges, including their aquatic habitat, asymmetrical shape, and primitive multicellular structure. Discover their unique features such as the water transport system and canal system.

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Flashcards14 Cards
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Phylum Porifera: Characteristics of Sponges

Quiz • 8 Questions

Study Notes

2 min • Summary

Phylum Porifera: Characteristics of Sponges - Podcast

Podcast

Phylum Porifera: Characteristics of Sponges Flashcards

Flashcards • 14 Cards

Materials

List of Questions8 questions
  1. Question 1
    • Porifera means pore-bearing, derived from Latin 'poros' meaning pore and 'ferre' meaning to bear.
  2. Question 2
    • The canal system helps in food gathering, circulation, respiration, and removal of waste.
  3. Question 3
    • Choanocytes or collar cells.
  4. Question 4
    • Holozoic and intracellular.
  5. Question 5
    • Radial symmetry.
  6. Question 6
    • Anchorage, defense, and capturing prey.
  7. Question 7
    • Tissue level.
  8. Question 8
    • Serves both digestion and circulatory function.
List of Flashcards14 flashcards
  1. Card 1
    HintThink of animals with many holes. What is another common name for them?Memory TipPore-bearing = Porifera
  2. Card 2
    HintImagine an ancient filtration system found within simple aquatic animals.Memory TipWater in, waste out
  3. Card 3
    HintThese are the 'inlet' points for water in a sponge.Memory TipOstia = entrance
  4. Card 4
    HintThis is the 'main room' or central chamber inside a sponge.Memory TipSpongy central space
  5. Card 5
    HintThis is the 'exit door' for water.Memory TipOsculum = exit
  6. Card 6
    HintThese cells have 'collars' and 'tails' and are vital for feeding.Memory TipCollars catch food
  7. Card 7
    HintWhat gives a sponge its shape and firmness?Memory TipSpicules, spongin support
  8. Card 8
    HintHow do sponges make more sponges, both with and without gametes?Memory TipFragmentation, gemmules, gametes
  9. Card 9
    HintThink of jellyfish and sea anemones. What are their characteristic stinging cells called?Memory TipCnidarians have cnidocytes
  10. Card 10
    HintThese are the 'weapon' cells that give the phylum its name.Memory TipStinging defense cells
  11. Card 11
    HintThis cavity performs two major bodily functions in simple radial animals.Memory TipDigests and circulates
  12. Card 12
    HintImagine an upside-down cup attached to a surface.Memory TipSessile, cylinder, up-mouth
  13. Card 13
    HintPicture an open umbrella moving freely in water.Memory TipFree-swimming, umbrella, down-mouth
  14. Card 14
    HintHow do some Cnidarians switch between their two distinct body forms to reproduce?Memory TipPolyp makes medusa, medusa makes polyp

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