Katerina Holmes

Free Two students engaged in a biology lesson focusing on the structure of a paramecium displayed on a whiteboard. Stock Photo

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Diverse pupils and teacher studying parts of primitive organism

Katerina Holmes

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Free African American female teacher standing near whiteboard and giving lecture to ethnic teenagers during biology lesson Stock Photo

Free Crop African American woman explaining structure of Ciliate to diverse kids at whiteboard in classroom Stock Photo

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Free Teacher and students in a biology class discussing paramecium, fostering interactive learning. Stock Photo

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Free A cheerful teacher and student pose in front of a biology whiteboard. Stock Photo

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