Question
Define enterocoelom.
Define enterocoelom.
Enterocoelom is a type of true coelom which is present in Echinodermata. It arises as from the enteron. The animals having enterocoel are called enterocoela.
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What is pseudocoelom?

Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.