They can but it is not advised
no a chinchilla should not be allowed to eat fleece. many things can cause impactation and kill a chinchilla
Vegetation
Eat them
eat, sleep, eat, sleep, look cute, run, jump, sleep, nibble, nibble, sleep, eat, pee, poop that's basically what a chinchilla does :D
it depends of the tomato
Try it. Get a turtle and a round small tomato and see if the turtle can eat the round tomato.
NEVER.
No way It'll kill them
Sure.
Yes, tomato seeds are safe to eat and are commonly consumed along with the rest of the tomato. They are small and may not be noticeable when eating a tomato.
Find another tomato to eat.
Yes - don't let them be alone. Or, you could keep the chinchilla in a box all the time.