Katerina Holmes

Free Children learning biology together, discussing cellular structures on a whiteboard. Stock Photo

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Happy multiethnic children discussing structure of primitive organism

Katerina Holmes

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Free Back view of anonymous multiracial children drawing scheme of Infusoria organism on whiteboard in classroom Stock Photo

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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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Free Focused African American female teacher in formal clothes standing near school desk with diverse pupils and pointing at schoolboys copybook Stock Photo

Free Multiracial smart classmates studying structure of primitive organism on whiteboard while showing scheme Stock Photo

Free Two kids learning biology, engaging with a whiteboard diagram of a paramecium in a classroom setting. Stock Photo

Free Two cheerful students present their science project on paramecium in a classroom. 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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Free Two cheerful students present their science project on paramecium in a classroom. Stock Photo

Free A teacher interacts with students in a classroom, fostering an engaging learning environment. Stock Photo

Free Multiracial smart classmates studying structure of primitive organism on whiteboard while showing scheme Stock Photo

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Free Focused African American female teacher in formal clothes standing near school desk with diverse pupils and pointing at schoolboys copybook Stock Photo

Free Back view of anonymous multiracial children drawing scheme of Infusoria organism on whiteboard in classroom Stock Photo

Free Two kids learning biology, engaging with a whiteboard diagram of a paramecium in a classroom setting. Stock Photo

Free Two teen students actively participating in a classroom discussion with their teacher. Stock Photo

Free Structure of Infusoria organism drawn on whiteboard with markers in classroom of school Stock Photo

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Free Teenager focuses on biology diagram at the whiteboard, illustrating cellular parts. Stock Photo

Free Two cheerful students present their science project on paramecium in a classroom. Stock Photo

Free A teacher interacts with students in a classroom, fostering an engaging learning environment. Stock Photo

Free Multiracial smart classmates studying structure of primitive organism on whiteboard while showing scheme Stock Photo

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Free Smart diverse children writing in notebooks at table listening to teacher of biology in classroom Stock Photo

Free Focused African American female teacher in formal clothes standing near school desk with diverse pupils and pointing at schoolboys copybook Stock Photo

Free Back view of anonymous multiracial children drawing scheme of Infusoria organism on whiteboard in classroom Stock Photo

Free Two kids learning biology, engaging with a whiteboard diagram of a paramecium in a classroom setting. Stock Photo

Free Two teen students actively participating in a classroom discussion with their teacher. Stock Photo

Free Structure of Infusoria organism drawn on whiteboard with markers in classroom of school Stock Photo

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

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