Their atoms are physically connected together to form different structures
What do you mean by responsible? Do you want to know the genetics behind it, what the surface markers do, or why they are metically important? I think I can help.
Copied, I agree with the person above ^ :’)
Answer:
im not sure but i think its Guanacos
Explanation:
It means that only those who are able to adapt with all conditions they are placed in will be able to live.