yes
no they aren't
Barracuda
yes
gears, tractors, bullsharks
Yes
This is a very common shark and there is no current population count
no bullsharks have been found in the Mississippi river as far north as Mississippi
Bullsharks have been found in the gulf of Maine. It is rare because they prefer warm waters, but I did see black and white photos of bullsharks caught in York, ME at the turn of the century. They are migratory and are known to come this far in summer. One has been caught in the Connecticut river.
Yes they do!Yes, they have a backbone.
no bees are invertabrates that means they have no backbone
No plankton do not have a backbone.
No. No insect has a backbone.