Which adaptation is unique to insects among all protostomes?

The evolution of wings and the ability to move by flying is a unique adaptation of insects among all protostomes. During the pre-adaptation, their wings might held the respiratory structures for greater exchange of gases or it function as a protective shields over their leg joints. 

Moreover, like dragonflies that are unable to tuck their wings when at rest, the next evolutionary burst is the foldable wings they have. These insects includes locusts and stoneflies.

yes!

explanation:

because it has a type of fat that can make you extremely sick

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you