In plants the reproductive structure that produces pollen and seeds is the xylem is the answer
Answer:
The answer is A.
Explanation:
Adaptive immunity recognizes antigens of viruses.
<span>A typical questions asking someone to point out something given a selected sample would have provided enough visual data that is sufficient to make a conclusive decision from. So given a chart or a table with certain number of clients showing no signs of infection and others with infection. It's easy to pick the numbers from the chart or table. In the given question, there is no chart or table and as such, not enough data with which a conclusive and coherent answer can be arrived at.</span>
They always increase in numbers
