I believe that it is form the Paleozoic era
Answer:
"The cricket population would increase"
Explanation:
Without mice as a natural predator, there would be no regulation as to how many crickets live in an area, thus there would be an excessive amount of breeding which can lead to mutations and more sick crickets than healthy ones. The mice pick off the sick/ slower ones so the naturally stronger crickets can pass on their genes to future generations.
They are used in manufacturing of drugs(antibiotics ) like penicillin that is used to save lives
They are used in the production of chemicals like pesticide
They are good source of citric acid(vitamin C)
They help in the breakdown of plant fibre and allows the nutrients to be released into the soil
They are used as model research organism
