1.Sponges are known as Phylum Porifera.
2.Phylum Porifera are the most primitive group of animals.
3.They are aquatic.
- most groups are found in salt water
- only one group is found in freshwater
4.Most are filter feeders.
5.Only one genus is carnivorous.
6.Adults are non-moving(sessile)
7.They are Asymmetric or radially symmetric in shape.
Information Adapted from: