Yes, a gerbil can recognise their owner, my sister has two gerbils but I play with them more, they will come and play with me but they are too scared to play with my sister.
Yes, cats can recognize their owners even after being separated for a period of time. They may show signs of familiarity and attachment when reunited with their owners.
While they're not specifically intended for only gerbils, a lot of owners have had great luck using the Hova-Bator system. One of the biggest reasons is that they come with a large viewing area.
Yes, some lizards can recognize their owners and form bonds with them, especially if they are consistently handled and cared for by the same person. This bond may not be as strong as with other pets like dogs or cats, but lizards can show signs of familiarity and comfort with their owners.
Other gerbils.
Gerbils are an animal and can not be "invented".
Male gerbils can be neutered, but it is not recomended. Female gerbils should not be spayed. In general male gerbils should not be neutered unless there is a good reason for it.
no gerbils are not originally from the UK but instead from the deserts of Asia. But you can still buy gerbils in the UK
Yes, mice are smaller than gerbils, but I think gerbils are the right size.
They do have seizures (this is common in young gerbils)
No, they are not related. Gerbils are rodents, Rabbits are not.
No, Gerbils are vegetarian.
Gerbils and nothing else.