Why was the presence of the rare insect significant in the case?

It could introduce bacteria or virus to the body that is not native to the area.

Explanation:

In normal day to day situations, you would not have exposure to any contaminants that the rare insect could bring.  However, if it is rare to the area or rare to be exposed to it, there are various factors that need to be explored other than normal bodily functions.  

answer:

yo

explanation:

you got an xbox or the app, if so you can talk to me at dogfacezombi

answer:

i don't believe the ocean is purple, but it might once have been:

as for the sky, according to nasa:

"sunlight reaches earth's atmosphere and is scattered in all directions by all the gases and particles in the air. blue light is scattered more than the other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time."