Question: A condition in bees called "colony collapse disorder" occurs when worker bees leave the hive to collect nectar and never return. How would a decline in the bee population most likely affect a farm ecosystem?

  Options: 
 A. There would be a decrease in soil thickness.
 B. There would be a decline in fruit production.
 C. There would be an increase in plant diseases.
 D. There would be an increase in insect pest populations.
Answer: B