Phylum Porifera by

Common name

roninwolsey — 2025-02-07 00:57:21 UTC

A common name for Phylum Porifera is Sponge

They have a simply Body plan with a simple porous structure and they have no organs or tissues

Sponges dont have tissues or organs but they do have specialized cells. These include Choanocytes which allow water flow. They also have Amoebocytes which allow nutrients to flow. Then they have Pinacocytes which form the outer layer of the sponge. After that they have Porocytes which control the opening and closing of water channels

Reproduction and life span

roninwolsey — 2025-02-07 01:01:15 UTC

Sponges reproduce both sexually and asexually. They reproduce sexually by releasing sperm cells into the water which fertilize eggs of other sponges. They Asexually produce by fragmentation and budding

Depending on the sponge they can live for a couple years but some can live over a whopping 2000 years

There is also over 7000 species of Phylum Porifera

How they eat and Facts

roninwolsey — 2025-02-07 01:12:12 UTC

Sponges are filter feeders which mean they feed by drinking water and filtering it for nutrients. The Choanocytes are responsible for trapping the food particles like bacteria and plankton.

Interesting Facts

They are the oldest animal group
They have a natural filtration system
Some different sponges produce toxins