Final answer:
The term that describes pests being reduced to manageable numbers by IPM is suppression. IPM involves a variety of techniques to keep pest numbers low without seeking complete eradication.
Step-by-step explanation:
The question asks which term describes pests being reduced to manageable numbers by Integrated Pest Management (IPM). The correct choice is c) suppression. IPM is an approach that focuses on managing pests rather than attempting complete eradication or elimination.
It involves using a variety of techniques, such as mechanical, chemical, and biological controls, among others, to keep pest numbers below economically damaging levels. Additionally, IPM prioritizes minimizing damage to beneficial organisms, humans, and the environment when pesticides need to be used, making it an ecologically-based pest control system.