But unlike plants, sponges must take food into their bodies to live. They can not make their own food like plants do. … Although some of their cells do specialized jobs, sponges lack tissues and organs.
How do sponges get their foods?
In order obtain food, sponges pass water through their bodies in a process known as filter-feeding. … Water exits through larger pores called excurrent pores. As it passes through the channels and chambers inside the sponge, bacteria and tiny particles are taken up from the water as food.
How do sponges feed and reproduce?
Instead of a mouths they have tiny pores (ostia) in their outer walls through which water is drawn. Cells in the sponge walls filter food from the water as the water is pumped through the body and the osculum (“little mouth”). … Most sponges reproduce sexually by releasing sperm cells into the water.