![]() In most species fertilisation is internal. Question: How do natural sea sponges reproduce?Īnswer: During reproduction each adult can act as either the female or the male. It is these deep pores that enable a sponge to hold such a tremendous amount of water. The flowing water also carries out waste products. They filter tiny organisms and plankton for food and nutrients from the water. Question: How do natural sea sponges live and grow under the sea?Īnswer: A sponge has thousands of pores which let the water flow through it continually. They attach themselves permanently to something solid and move sea water through their bodies. Question: How do natural sea sponges grow in the sea?Īnswer: Sea sponges live on the ocean floor. Question: What is the scientific name for natural sea sponges?Īnswer: The scientific name for sponges is Porifera. With the exception of the single - celled animals, the Protozoa, sponges are the simplest animals in existence today. A sponge does not have a brain or a central nervous system in fact sponges have no heart, brain, head, mouth or any other body parts and have many plant like qualities. ![]() ![]() Until 1765, sponges were considered as plants, but naturalist John Ellis proved they were actually animals. Question: Are Sponges classed as animals or plants?Īnswer: Natural Sponges are classed as animals.
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