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Phylum Porifera
Primitive multicellular animals with cellular grade of organisation. Free living aquatic, mostly marine, sedentary forms either solitary or colonia..
Phylum Porifera (Sponges)
Phylum Porifera (Sponges) - Sponge The simplest multicellular animals. The cells are loosely held together and do not form tissues. Aquatic in habitat (mostly marine). Ostia (pores) are present all over the body, with a single large opening on top called osculum. Food and oxygen enter the..
Phylum Porifera (Sponges) - Sponge The simplest multicellular animals. The cells are loosely held together and do not form tissues. Aquatic in habitat (mostly marine). Ostia (pores) are present all over the body, with a single large opening on top called osculum. Food and oxygen enter the..Phylum Porifera (Sponges) Sponge The simplest multicellular animals. The cells are loosely held together and do not form tissues. Aquatic in habitat (mostly marine). Ostia (pores) are present all over the body, with a single large opening on top called osculum. Food and oxygen enter the organism along with wate..
Sponge The simplest multicellular animals. The cells are loosely held together and do not form tissues. Aquatic in habitat (mostly marine). Ostia (pores) are present all over the body, with a single large opening on top called osculum. Food and oxygen enter the organism along with wate..Phylum Porifera (Sponges)
The simplest multicellular animals. The cells are loosely held together and do not form tissue..
Question 17
Question: Choanocytes are unique to 1. protozoa 2. porifera 3. mollusca 4. echinodermata Answer: ..
Summary
All multicellular animals are now placed in the kingdom of Metazoa. The multicellular animals show a very specific body organisation which ranges from cellular grade to organ system grade. Higher in the hierarchy of animal kingdom, one can recognise appearance of specific features like symm..
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