Describe the typical shape of poriferans
Describe the typical shape of poriferans?
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Sponges contain bodies in the form of tubular vases or globes open in an upper extremity. They contain an internal central cavity and porous walls. The central cavity is termed as spongocoel and the opening in upper extremity is termed as osculum.
Specify the constitution of the air before the life of originon the earth?
Why American crow falcon is kept under the Order Pesseriformes?
Market Development: It is a marketing technique aimed at raising a company's market in order to broaden the customer base for the aim of selling more products. There are numerous approaches which can be employed to make a market bigger, ranging from c
What is the meaning of concentration gradient? Is it accurate to refer to concentration gradient of water?
What is characteristic biological function of connective tissues? How is this function allocated to the major features of its cells?
How do cells of the neoplastic tumors acquire nutrients and oxygen and release wastes?
In which period of meiosis, the pairing of homologous chromosomes take place?
How does depolarization of neuronal membrane start?
Describe the antagonism between the sympathetic and parasympathetic neural actions?
Out of which kind of defense cell do viral infections rouse the multiplication?
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