What’s the common name of this organism?
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What’s the common name of this organism?
description
What’s the common name of this organism?. Sponge. What is the phylum?. Porifera. Sponges are at the ______ level of organization. Sponges are at the cellular level of organization. What is the name for excurrent pores?. Osculum. What is the function of choanocytes?. - PowerPoint PPT Presentation
Transcript of What’s the common name of this organism?
What’s the common name of this organism?
Sponge
What is the phylum?
Porifera
Sponges are at the ______ level of organization
Sponges are at the cellular level of
organization
What is the name for excurrent pores?
Osculum
What is the function of choanocytes?
Choanocytes form much of the sponge body and function in filter feeding and intracellular digestion. Choanocytes help distinguish phylum porifera.
What type of symmetry do sponges have?
Sponges are either asymmetrical or radially
symmetrical.
Incurrent openings or pores are
termed_______.
Incurrent openings or pores are termed ostia.
Sponges have an exoskeleton formed of
what?
1. Spongin--spongy fibers of a protein material
2. Spicules – rigid crystalline structures made of calcium or silica
The central cavity of a sponge is called what?
Spongocoel
