How does the relationship between leaf-cutter ants and their antibiotic-producing bacteria differ from the use of antibiotics in medicine by humans? How and why might that difference be vitally important?

1. is geographic distribution

2 is increasing complexity

3 is transitional forms

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.