Porifera(Sponges)

Presented by: Jordan Minert

7th Period5/19/09

http://tolweb.org/

images/Porifera/

2464

http://tolweb.org/images/Porifera/2464

How they are classified.

Shape Hexactinellida

Demospongiae

Calcarea

http://tolweb.org/images/Porifera/2464

http://www.erin.utoronto.ca/~w3bio319/Porifera%20and%20Cnidaria_3.pdf

What do they look like?

• Asymmetrical

• Different colors

• Pores (little holes on the surface.)

• Different shapes

• And hard.

http://tolweb.org/images/Porifera/2464

Reproduction

• Sperm gets put out of the male sponge,

• Currents pick the sperm up,

• They get fertilized once coming incontact with a female sponge,

• making larva to grow in the ocean water.

• Fresh water sponges uses fermentation.

Food and digestive system!

Food Filter feeding

They take the protein out of the water through a post protein scaffold.

Digestive system

No digestive system

Circulatory system

No

Circulatory

System.

Repertory system

They absorbed oxygen out of the water.

(The air bubbles)

http://images.google.com/imgres?imgurl=http://www.featurepics.com/FI/Thumb/20070922/Bubbles-Under-Water-460945.jpg&imgrefurl=http://www.featurepics.com/selections/Bubble-Background-368.htm&usg=__JFIGBJBN4VUOe01dMMleSRr5CPA=&h=129&w=129&sz=5&hl=en&start=17&tbnid=7SAsYB7MxQYbiM:&tbnh=91&tbnw=91&prev=/images%3Fq%3Dbubbles%2Bin%2Bwater%26gbv%3D2%26hl%3Den

Environment

Manly in salt water

and some in fresh water,

Normally on or by rocks

or coral reefs.

http://animaldiversity.ummz.umich.edu/site/accounts/information/Porifera.html

Interaction with humans

• They use to be used for painting (Greece), bathing (Egypt), and toilet paper (Rome).

• Now when they find dead sponges they bleach them, dye them, and sell them as kitchen sponges and such.

5 interesting facts

• No tissue

• They are mobile

• 98% are marine and 2% are freshwater

• When being made into cleaning sponges no chemicals added to make the soft and squishy.

• Can live by the surface of the water and the bottom of the ocean.

Pictures

Bibliography

• http://tol.tolweb.org/Porifera/2464

• http://faculty.evansville.edu/de3/b10802/PPoint/Porifera/4-Porifera.ppt

• http://library.thinkquest.org/26502/level2/History/human.htm