Answer:
C. The population of mice would decrease.
Explanation:
A small cell lived inside a larger cell to the benefit of both cells.
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A. <span>Exposure to an antigen
Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
Answer:
Meotic cell division (mitosis)