Answer:
Adrian's adaptive immune system remembered the antigens from the virus. so he becomes immune to it.
Explanation:
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
Answer:
A.) Cell A
Explanation:
This is bc it has the smallest space.
Hope this Helps
Answer:
I think it is called selective breeding, I don't think it is called that but hope this helps
The answer is; A gopher snake occupies a burrow made by the desert rat
Commensalism involves a relationship between two organisms where one benefits while the other is unaffected. In this case, the gopher snake gets from the burrow made by the desert sake. The desert rat is unaffected (does not benefit or lose) by this action by the snake.