Question

ayush wrote the following introduction for his essay about the polka - dot tree frog.
the polka - dot tree frog is one of 5,000 species of frog already known to scientists in the world. found in argentina, the polka - dot tree frog was recently discovered to be the first naturally fluorescent frog, glowing a bright green under ultraviolet light. other animals, such as some fish, turtles, and birds, have been known to glow in the dark as well. through their studies, scientists are looking for reasons why animals use fluorescence in the wild.
what is the most logical way to organize the ideas based on the introduction?

1. how the tree frog glows
2. description of the polka - dot tree frog
3. other fluorescent animals
4. reasons why animals glow in the dark

a. 2, 1, 3, 4
b. 4, 2, 1, 3
c. 1, 2, 4, 3
d. 3, 4, 1, 2

Explanation:

The introduction first mentions the polka - dot tree frog (description), then its fluorescence (how it glows), then other fluorescent animals, and finally the reasons for fluorescence. So the order should be description of the frog, how it glows, other fluorescent animals, reasons for glowing.

Answer:

A. 2, 1, 3, 4