Answer:
Photoperiodism
Explanation:
The term "photoperiodism" was coined to describe a plant's ability to flower in response to changes in the photoperiod: the relative lengths of day and night. Because flowers produce seeds, flowering is crucially important for the plant to complete its life cycle.
C The rods will attract each other because they are both positively charged.
The answer would be B) microscope
The first cell to ever be discovered was by Robert Hooke in 1665 using a microscope.
Cells.........they are the basic structural and functional unit of life
