Which is universal of spongs found in marine or radial symmetry or calcareous spicules?
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Asked in Pica Disorder, Biology, Porifera (Sponges)
What is sponge?
Asked in Echinoderms
In what ways do echinoderms resemble animals with backbones?
Asked in Porifera (Sponges)
What organisms are found in Phylum Porifera?
Porifera are sea sponges. They have no symmetry (asymmetrical) and they are one of the most basic forms of life. They have a 2 cell layer wall made of collar cells, spicules, amoeba like cells, and a layer of epidermal like cells. The spicules and the amoeba like cells are in between the layer of collar cells and epidermal cells. Sponges also have pores throughout their structure. Porifera include freshwater sponges as well of marine varieties. Freshwater sponges are common although not obvious. Frequently they are green in color due to included algae.
Asked in Biology, Animal Life, Starfish
Have radial symmetry and tube feet live only in water?
Asked in Paleontology, Atmospheric Sciences, Fossils
Carbon from fossils is stored in what three forms?
Asked in Invertebrates
Which invertebrates exhibit radial symmetry?
Asked in Corals and Coral Reefs
What does coral do?
This might help:Coral is a rocklike deposit consisting of the calcareous skeletons secreted by various anthozoans. Coral deposits often accumulate to form reefs or islands in warm seas. Any of numerous chiefly colonial marine polyps of the class Anthozoa that secrete such calcareous skeletons. The red-orange, pinkish, or white deposits secreted by corals of the genus Corallium, used to make jewelry and ornaments.
Asked in Zoology or Animal Biology, Microbiology
What is a crinoid?
Asked in Ecosystems, Producers (food chain)
What are some producers in an ocean Ecosystem?
seaweed,phytoplankton, diatoms,Crill, algea, Seagrass , dinoflagellates (a single-celled organism with two flagella, occurring in large numbers in marine plankton and also found in fresh water), coccolithophores (a single-celled marine flagellate that secretes a calcareous shell, forming an important constituent of the phytoplankton. )