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The Purple Tube Sponge

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by McKenzie Nagle on 9 September 2013

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Transcript of The Purple Tube Sponge

The Purple Tube Sponge
Classification
Kingdom: Animalia: Multicellular
Phylum: Porifera: Has pores
Class: Demospongiae: Skeletons made of sharp points with fibers on the protein spongin.
Order: Verongida: -
Family: Aplysinidae: -
Genus: Aplysina: -
Species: lacunsoa -

Scientific name: Aplysina lacunsoa
Habitat
The Purple Tube Sponge is found all around the world. It mostly likes quiet, clear waters because sediment stirred up by waves or currents could block their pores, making it difficult for them to feed and breathe. It is usually found on firm surfaces such as rocks or rooted into the sand. They like temperate waters more than tropical because there are more predators of the sponge in the tropics.
Movement
The Purple Tube Sponge can sway in the currents, but it is fixed to the ground. The movement of the sponge does not help them defend themselves because they cannot escape their predators. The structure affects their movement because they do not have any body parts that are made for moving.
Body structure:
The Purple Tube Sponge is a cluster of hollow tubes, each with an opening at the top, called an osculum. It is purple in colour and has pores, small holes, on it’s sides. The pores are how they get the name “Porifera.” Inside the sponge, it has choanocytes. Choanocytes are cells that move water through the sponge. Sponges are invertebrates, an animal without a backbone. They are different to most invertebrates because they don’t have have organs, or body tissue. The can be longer than five feet (152.4 cm).
Diet & Eating style
The Purple Tube Sponge consumes food by sucking it into one of it’s tubes. Flagella, whip like straps, trap the food. Then, jelly-like cells dissolve them. The purple tube sponge eats plankton, and other small organic particles. The sponge uses the energy from it’s food to produce more cells and grow.

Reproduction:
The Purple Tube Sponge reproduces both sexually and asexually. As the sponge is both genders, it has both eggs and sperms. When reproducing sexually, one sponge releases the sperm into the water, where it is carried into another sponge. This sponge fertalisies it. The sponge larvae is carried by water to a hard surface, where it grows into a new sponge.

When producing asexually, there are two ways. One way is called budding. The new sponge grows on the side of the old one, and breaks free. The other way is with gemmules. The sponge simply splits in two.
Interesting facts
- Sponges can live for 20 to 100 years
- The sponge is the simplest form of multicellular organisms
- There are over 5 000 species of sponges
- Sponges are both genders
- 17 species of sponges are commercially valuable
- Sponges can pump 20 000 times their volume in 24 hours
- They are asymmetrical, different on both sides
- If the sponge broke, it would reconstruct itself back together
- Some sponges are used for medicinal purposes
- Sponges need to breathe
- To remove it’s waste, the sponge shoots it out of it’s osculum
Where it is found
Food Chain:
Plankton---> Purple tube sponge-----> Nudibranch mollusc------> Star fish------> Manta ray
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