Answer:
The correct answer is B ❤️
Answer - Antibodies
Reasoning - Why antibodies is Important is because it's used by the immune system to help identify the pathogen like bacteria and viruses.
Confidently Correct
D the answer is d ........
Answer:
don't know for sure sure but i would think branching
Explanation:
I think this cause of subspecies ( Bengal, Sumatran and Siberian tigers)