Question

circle the different structures you observe in the photograph. ccc cause and effect with microscopes, we can see the cells inside us and around us. what reactions do you think people had when they first learned that they were surrounded by tiny living organisms?

Explanation:

The question is about biological observations and human reactions to the discovery of tiny living organisms. When people first learned about being surrounded by such organisms, they might have felt惊讶 (surprised), curious, or even a bit fearful due to the unknown nature of these microscopic life - forms.

Answer:

Possible reactions could include surprise, curiosity, fear.