There are several Families of dragonflies. If you are looking for the commonly used general classification name for them, the Order name for dragonflies and damselflies is Odonata. The Suborder for dragonflies is Anisoptera. Odonata Central (http://www.odonatacentral.org) has lots of photos and classification information if you are looking for the Family name for a particular type of dragonfly.
from a egg
No
Yes, dragonflies are diurnal, although some are more active in the morning/evening, and some are more active during the middle of the day.
yes
because it knows that there is no more rain and it can finally fly freely.
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.