WebThere are about 6500 species known which belong to this Phylum. Characteristics of Platyhelminthes: They have a bilaterally symmetrical body which means if you cut the organism it will divide into 2 equal halves. They are also triploblastic and acoelomated animals that have an organ level of organization. WebPorifera. sponges. Sponges are a diverse group of sometimes common types, with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water. Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells per ...

Jellyfish and Comb Jellies Smithsonian Ocean

WebThe body structure of sponges is designed in such a way that water moves through the body, where it can filter out food and also absorb the dissolved oxygen, along with eliminating waste material. Organisms belonging to this phylum do not have specialised digestive, nervous or circulatory system. WebThese sponges are asymmetrical, and sizes can vary from 3 millimeters to over 2 meters in length. They come in a variety of bright hues, ranging from yellow, orange and red to … left hand margin on paper

Sponges: Characters, Classification and Types Zoology

WebPHYLUM (phylum) Porifera. The phylum Porifera or sponges, ar primarily marine animals consisting of loosely organized Cells. The some 9 thousand species of sponges vary in size from but a centimetre to a mass that will quite fill your arms. Characteristics of the phylum Porifera include: Asymmetrical or centrosymmetric WebPorifera (sponge) phylum traits asymmetrical body plan, no systems/organs/tissues/derm layers, primary consumers (filter feeders; eat autotrophs or primary producers), sessile (doesn't move), acoelomate (no cavity) sponge cell types WebSpongilla lacustris are freshwater sponges that prefer shallow, clear waters. They are commonly found in ponds, lakes, and slow-moving waters. They can be found both protected from the sun under rocks and logs, and on … left hand mauser actions