Sponges usually stay in one place all their lives. The sponge body contains many different cells working together to carry out its life functions. The name Porifera refers to the many pores located all over the sponge's body.
Sponges primarily reproduce asexually.
Explain the term filter feeder. The temperature and of the water may have an effect on the growth patterns of many species of sponge. A study of sponge weight was under taken by a local university. It measured the temperature of the water and the change in weight of the sponges over a 24 month period. The results of the study are found in the data table below.