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Final answer:Carotenoids, phycobilins, and chlorophylls are all photosynthetic pigments. However, leukophylls are not considered photosynthetic pigments and might actually be leucophylls, which are a type of plant tissue that has lost its chlorophyll and, therefore, its green color.Explanation:The choices is not a photosynthetic pigment. Photosynthetic pigments are substances by which plants, bacteria, and algae absorb parts of the light spectrum and convert it into energy.Carotenoids, phycobilins, and chlorophyllsare all common photosynthetic pigments found in different organisms. Carotenoids are found in plant chloroplasts and play a role in both photosynthesis and protection from excess light energy. Phycobilins are water-soluble pigments present in cyanobacteria and certain algae. Chlorophylls, possibly the most recognized photosynthetic pigment, is responsible for the green color of most plants.However, among the choices,leukophyllsare not considered photosynthetic pigments; leukophylls could be a typographical error or might refer to leucophylls, which are not photosynthetic pigments but rather a type of plant tissue that has lost its green color due to the absence of chlorophyll.Learn more aboutPhotosynthetic Pigmentshere:brainly.com/question/37646247#SPJ11...