Germ layers present in the cnidarians
Which germ layers present in the cnidarians? Which tissues of animal do they originate?
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These beings present endoderm and ectoderm, two germ layers. Animals with two germ layers are known as diploblastic animals. The ectoderm gives birth to epidermis and endoderm originates the covering of digestive cavity.
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How do sodium and potassium ions maintain resting potential of the neuron?
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