

First, they aren’t critical in either of those roles, and second, there are a few thousand species of mosquitoes, and only five of them cause issues with human health. Get rid of those five, and you haven’t caused much ruckus. The others will be fine in their continued parts.
Now, that being said, nobody knows for certain what will happen if all five are completely eradicated, but the sentiment above seems to be the consensus among people who have studied them.
The untold story: 1.) the grade was curved due to everyone’s low numbers
2.) no one wanted to get near the rocks to identify them because there was one weird mofo walking on all fours around the displays, randomly snarling and licking each one
Homeslice identified a few more than everybody else and his grade shot to the moon.