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Noun, pl. dimorphisms (Biology) 1. The occurrence within a plant of two distinct forms of any part. ( 2. The occurrence in an animal species of two distinct types of individual. ( (Geology) 3. A property of certain substances that enables them to exist in two distinct crystalline forms. ( 4. Having two different distinct forms of individuals within the same species or two different distinct forms of parts within the same organism. For plants, it could refer to different leaf types, flowers, etc. For animals, it could refer to different colouring, sizes, features, etc. Sexual dimorphism is a common case, where the two sexes have different shapes, sizes, etc. from each other....

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