I believe one of the jobs is Excrete impurities
Answer:
See answer below. Hope it helps.
Explanation:
This can have advantages and disadvantages. The artificially selected animals could have better traits than naturally selected animals, but in the long run, it will be harder for them to evolve and adapt to new environments because of the lack of variation in their traits.
The disk part of the galaxy.
The answer would be "genes".
