Answer:
The answer is c I think sorry if it is wrong
I think it would be the thrid
Answer:
Regions of the digestive system can be divided into two main parts: the alimentary tract and accessory organs.
Explanation:
A bacteria cell is a prokaryote.
Answer:
The ecosystem will change, maybe, there might be some problems, like some animals will start to die by being food for the alien species, or it might progress more.
Explanation: