Answer:
D.The trap jaw increases the ants’ chances of survival and reproduction.
Step-by-step explanation:
The trap jaw of the species of ant called Odontomachus bauri , has a trap jaw which is very fast and powerful. The jaw system evolved from basic mouth parts that all ants have with then exception of the shape which is longer with larger muscles.
This evolutionary change made the ant kill prey and increase its chances of survival and subsequent reproduction when it’s alive.