Yes, some bacteria can "see" in a rudimentary way.
While bacteria don't have eyes in the traditional sense, research has shown that certain species possess the ability to focus light using their entire cell as a lens. This allows them to detect and respond to light sources, although the image they perceive would be far blurrier than what a human eye can see. This light-focusing ability allows them to potentially "see" their surroundings, including larger objects like us, albeit in a very basic and low-resolution manner.
How Bacteria "See"
- Cellular Lens: Some bacteria can act as a spherical lens, bending light to a focal point.
- Detection: They can detect the presence and intensity of light.
- Response: This detection influences their behavior, such as moving towards or away from the light source (phototaxis).
While they don't form complex images like we do, the ability to detect and respond to light offers a survival advantage. Therefore, it's more accurate to say they sense light rather than "see" in the human sense.