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Questions and Answers
Which of the following best describes the body shape of Porifera?
Which of the following best describes the body shape of Porifera?
- Bilateral
- Spherical
- Vase or cylinder-like (correct)
- Tubular
What is the name of the large openings through which water exits the body of a Porifera?
What is the name of the large openings through which water exits the body of a Porifera?
- Ostia
- Oscula (correct)
- Choanocytes
- Spongocoel
Which of the following best describes the body organization of Porifera?
Which of the following best describes the body organization of Porifera?
- Tissue
- Organ
- Cellular (correct)
- Organ system
What is the name of the interior space of the sponge body in Porifera?
What is the name of the interior space of the sponge body in Porifera?
Which of the following best describes the body symmetry of Porifera?
Which of the following best describes the body symmetry of Porifera?
Which phylum do Porifera belong to?
Which phylum do Porifera belong to?
Which family of Porifera can live in freshwater?
Which family of Porifera can live in freshwater?
What is the name of the small pores through which water enters the body of a Porifera?
What is the name of the small pores through which water enters the body of a Porifera?
What is the body organization of Porifera?
What is the body organization of Porifera?
What is the name of the interior space of the sponge body in Porifera?
What is the name of the interior space of the sponge body in Porifera?
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Study Notes
Body Shape of Porifera
- Porifera have a sessile, asymmetrical body shape.
Body Organization of Porifera
- The body organization of Porifera is cellular-grade, meaning they lack true tissues and organs.
Body Symmetry of Porifera
- Porifera exhibit asymmetrical body symmetry.
Anatomy of Porifera
- Water enters the body of a Porifera through small pores called ostia.
- Water exits the body of a Porifera through large openings called oscula.
- The interior space of the sponge body in Porifera is called the spongocoel.
Classification of Porifera
- Porifera belong to the phylum Porifera.
- Some species of Porifera, namely Spongillidae, can live in freshwater.
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