Temperatures would increase. Precipitation would increase. The number of trees in the forest would increase. The insect population in the forest would increase.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which would be the most likely effect of a large decrease in the number of woodpeckers in a forest?
Possibilities:
- Temperatures would increase.
- Precipitation would increase.
- The number of trees in the forest would increase.
- The insect population in the forest would increase.

The insect population in the forest would increase.