Where is sponge from

Their strong skeletal structures help sponges withstand the high volume of water that flows through them each day. What is a glass sponge? Are corals animals or plants?

What species live in or around coral reefs? The tiny larvae which are the result of fertilization are released into the water. The larvae use their cilia to propel themselves through the water. Eventually they settles down and grow to be an adult sponge. Next time around when they reproduce the sponges may change roles; the sponge that played male could play female and vice versa 4. The evolution of multi cellular sponges from single-celled protozoa is one of the landmark events in evolution.

This is the origin of the Metazoa, or multicellular organisms Dawkins An experiment performed by H. He separated the cells of a living sponge by forcing it through a fine sieve. The separated cells were let out onto a saucer containing sea-water. Most of them were single cells. After a while Wilson observed that the cells behaved like individual beings or amoebas.

They were crawling on the bottom of the saucer, and they started joining up to form agglomerations of cells. Eventually they grew to become whole new sponges. When Wilson tried to mash up two different species of sponges together, the separated cells mixed only with their own species.

They did not mix with the other kind of species. This experiment may shed some light on how multi cellular animals formed initially. The first sponge may have been a colony of protozoans that happened to be together by chance Dawkins The cell layers are loose conglomaration of cells. They are not really tissues as they are unspecialized.

The colonial protists called choanoflagellates live in the bottom of ponds and shallow areas. Biologists think that sponge choanocytes are very similar to choanoflagellate cells, and they believe that it is highly likely that sponges arose from choanoflagalllates that lived in late Precambrian seas.

Biologists believe that the molecular evidence points to ancient choanoflagallates as close relatives of the ancestor of all animals. Campbell, N. Dawkins, R. Cristina Diaz demonstrates how quickly sponges filter water to obtain food by injecting a colored dye just outside the sponge and watching how quickly the sponge pumps out the dye.

We go on a wild ride inside the sponge through holes, tunnels and chambers. Sponges also use their pumping to reproduce: they pump sperm and eggs into the water. They were the first animals to reproduce sexually. Even though mutations in genes affect traits, fundamental core genes tend to be conserved throughout the animal kingdom.

This is the most common color of the short square sponges. The only sponge that is tall is Stanley S. Unlike the short square sponges, he has a vertical rectangular head and a skinny body.

He is yellow with olive green holes. Many of these sponges appear during the song " Just A Simple Sponge. The only known family member is Girly TeenGirl, a sponge who appeared at Mr. Krabs and Pearl's house during Pearl 's sleepover. Pearl thought that Girly was SpongeBob in disguise, working for Mr.

Krabs , who was kicked out to avoid trouble. Krabs hired to temporarily replace SpongeBob. SpongeGar lived in a primitive pineapple with his snail Gary. SpongeBob lives in a pineapple at the address Conch Street. He lives with his pet snail, Gary. Although it has not been confirmed, SpongeBob's grandson might also live in the pineapple with or instead of SpongeBob in the future.