Sponges are cellular grade animals in the Phylum Porifera. First, describe what cellular grade means in relation to sponges. In class, we discussed four different types of sponge cells. Name each type of sponge cell and describe its function in the animal. How do all sponge cells get nutrition and eliminate waste?
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Step 1: Cellular grade in sponges refers to their simple organization at the cellular level, lacking tissues and organs found in more complex animals. Show more…
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