Fact 1: When the season changes , the amount of daylight will change.

Fact 2: The flowering of soybeans is activated by the length of daylight hours.

Given the two facts above, answer the question "What affects the flowering of soybeans?" with the following options: 
- It remains dormant
 - genetic diversity
 - Pesticides
 - deoxyribonucleic acid
 - seasonal changes
 - mutations
 - competition
 - Heat energy


 

     seasonal changes    