Detailed whiteboard diagram illustrating Paramecium anatomy for educational purposes.

Scheme and structure of organism on whiteboard

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

Diverse pupils and teacher studying parts of primitive organism

A science teacher discusses a biology diagram with a student at a whiteboard.

Artistic depiction of diverse microorganisms on textured green paper cutout design.

Detailed view of delicate white rowan blossoms surrounded by lush green foliage.