Q: Fact 1: Plants respond to daily and seasonal cycles and to disease. Fact 2: Green bean plantings continue to be planted. Given the two facts above, what responds to daily and seasonal cycles and to disease?

Select from the following.
1). resistance;
2). Sundays;
3). vegetation;
4). Summer season;
5). swamp vegetation;
6). Mondays;
7). alpacas;
8). Green beans;
A:
8).