No
Yes, it is possible and likely that the cat would try to catch, kill and maybe eat the gerbil. You should keep the gerbil in a cage that isn't accessible by the cat.
Gerbil food.
Yes they will
It is called DOG FOOD. It is not gerbil food. Gerbil`s usually eat grass, and other small veggies. If you want, or think, your gerbil should be eating dog food please, see a doctor.
yes gerbil should aways have wheels with them
feed it. But seriously, if the gerbil refuses to eat, perhaps try different gerbil-firendly foods. And if all else fails, see a vet. If the gerbil will not eat, you may want to see a veterinarian. The gerbil might have a tooth that is bothering him.
with a side of gerbil
For the safety of the gerbil, you should only hold the babies after they open their eyes. At this time, they are more mobile and should be picking up new scents. If you pick them up at a younger stage, the parents may think your scent is that of a predator and they will kill and eat the baby.
They can gnaw on them, but they can't live on them.
No! They will be scared of each other and the parrot might try to eat the gerbil.
any kind!
If it is stale then yes.