Lets see if I can help
The second questions is D.
The third answer is A
Thats all the answer I know
If the dragonflies consume autotrophs, then they are at the second trophic level. However, if they consume herbivores, then they are at the third or higher trophic level.
Need more information to determine.
Yes, living things break down polysaccharide into simple sugars.
They are the source of new genetic variation
Well the best place to do this is probably a low population town that you could easily control
