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What is it? Plant, Animal, Fungus? Is it alive?. Porifera. aka SPONGES Latin: “ Porus ”. 600 million years ago. 4 Main Characteristics. They are filter feeders They have a unique cell called the collar cell They have NO organs Have an internal meshwork of crystals and fibers. - PowerPoint PPT Presentation
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What is it?
Plant, Animal, Fungus?
Is it alive?
http://www.youtube.com/watch?v=T7E1rq7zHLc&feature=related
Choanoflagellates
• Nearest evolutionary
relative
• These are similar to choanocytes
Archeocyte
Archeocyte
Sponges range in size and shape.
• Up to 2 meters in dia.• Encrusting, boring, finger, tube, or vase shape
The Venus Flower BasketTraditional Japanese wedding gift
Tiny shrimp larvae will become trapped inside sponge
spending the rest of their lives living in symbiosis with the
sponge
