no!
It can damge gerbils, do not feed gerbils any leaves unless you know they are safe, look ate the links for list of safe gerbel food
Gerbils really don't care about the color of the other gerbils in the tank with them, they really care about personality. For all we know, they could be color blind.
No, they do not, that is an adaptation specific to hamsters, not gerbils.
Hamster and gerbils do not have different food the eat the same food and love the same treats.
Yes! In fact, ALL hamster food is made for Hamsters AND Gerbils! It is perfectly fine to give gerbils the hamster food, and also to give hamsters gerbil food!
food
No, gerbils can not eat human food. Not unless is is an apple or a carrot.
Yes, they feel as if they are safe and comfortable.
no
they just have gerbil food
If their in the wild, they hunt it. If they are owned by someone you give them food. In the wild gerbils dig up roots or forage for seeds. But if they are domestic/pets then you will need to give them food.
Male gerbils are very good parents. It is safe to leave in both parents in with their pups. However, if you do this they will have more pups in four weeks.