PORIFERA

strong currents,most in sa nxglt water regions. about 150 fresh water species. || respiratory,excretory or digestive systems || systems, they are supported by water flow. || its shape by mesohyl, a jelly-like substance made of collagen. it is reinforced by a network of fibers made of collagen. || or waves, or by predators. these fragmentscan reshape their mesohyl to atttach themselves to a surface and be small functional sponges in a matter of a few days sexual: sponges are heremaphodites, sperm are produced by the entire choanocyte chamber that sink into mesohyl. the eggs are produced by the transformation of archeocytes. || adult: small -> large || from competitive other species, endosymbiotic relatioinship with photosyntheic plants such as algae. || s produce up to three times more oxygen than they consume,as well as more organic matter than they consume. these contributions to their habits resources are significant along Australia 's great barrier reef. || more complex than protists ||
 * =**Phylum**= || Ke`Andrea Ramos ||
 * **1 Examples:** || sponges ||
 * **2 Habitats:** || sponges live in areas with
 * **3 Mode of feeding digestive, excretory** || filter feeders,Sponges do not have
 * **4 Internal Transport****(circulation & respiration)** || sponges do not have respiratory or circulatory
 * **5 Symmetry & Support,**===Locomotion, body covering=== || The sponge's structure is hollow and holds
 * **6 Fertilization &Reproduction****(sexual/ asexual)** || asexual: Fragments of sponges are detached by currents
 * **7 Body Forms (life stage forms)** || larvae-free swimming
 * **8 Defense / senses/ response to environment** || the sponge can excrete toxic compounds to protect its territories
 * **9 Nervous system** || No nervous system ||
 * **10 Importance (how it fits in to** **the world)** || Sponges that are endosymbiotic with photosynthetic plant
 * **Misc.** || not organized into tissues but