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Give a brief description of the term Corals?
Give a brief description of radial symmetry? Write down the type of symmetry found in chordates? Which are other phyla of animal kingdom which present species with radial symmetry?
Write down the main classes in which phylum are divide? Write down some examples of each and in which form (polyp or medusae) are they found?
Write down the name of larva of corals and sea anemones? Write down the biological significance of larval stage?
In metagenesis of Obelia and Aurelia what is the form which produces gametes? What is the form which replicates asexually?
Give a brief description of Metagenesis? And also write down other names of this process?
Write down type of asexual reproduction which occurs in hydras?
Write down the types of reproduction presented by cnidarians?
How nervous tissue distributed in cnidarians?
Give a brief description of cnidocytes? Write down the name of the capsule in the cnidocyte? Write down the biological functions of this structure?
Write down type of digestion which takes place in cnidarians?
Why digestive system of these animals called incomplete?
Which germ layers present in the cnidarians? Which tissues of animal do they originate?
Concerning tissue complication how different are cnidarians from poriferans?
Write down the two major morphological patterns of cnidarians? Concerning locomotion how do these forms discriminate from each other?
Write down the some examples of cnidarians? In which atmospheres can such animals be found?
Write down the significance of iron in diet? Which disease caused by iron deficiency?
Which disease cause by dietary iodine deficiency?
Write down the some examples of mineral salts from the diet which act as coenzymes?
Write down the main cellular functions of potassium?
Write down the main mineral salts responsible for cellular osmotic regulation?
Write down the functions of pantothenic and biotin acid for the body? How are these vitamins acquired?
Write down the some types of hemorrhagic diseases caused by genetic or obtained deficiency of vitamin K metabolism?
Write down the function of vitamin E? In which foods it can be found?
Write down the disease caused by vitamin D deficiency? Which tissue does it influence?