Sort of. The "tail" of a dragonfly is no analogous to the tail of a vertebrate. Rather than being an extension of the spine (which a dragonfly does not have), this"tail" is actually the abdomen containing large portions of the insect's digestive and respiratory systems as well as the genitalia.
they have scales
_
They usually have scales, but some might have hair. Like Falkor, the luckdragon of "The Neverending Story".
_
...
Yes. on there large Sack
yes
yes
Dragonflies are invertebrates
The ancestors to the dragonflies was the Protondonata. These were the 1st winged insects on Earth and the earliest form of dragonflies.
Dragonflies are real but dragons are not.
No dragonflies eat bugs and mosquitoes.
A swarm of dragonflies.
no dragonflies do not take pollen
A Fetch of dragonflies.
No. Dragonflies eat other insects, and sometimes even other dragonflies.
they are 5,500 dragonflies across the world
Yes, dragonflies are insects, and thus invertebrates.
The scientific name for dragonflies is Odonata.