Answer: decrease
Increase
Increase
Step-by-step explanation:
1. When the predators population is increased, there will be high risk to the cricket frog from these predators as they may start attacking them rigorously and ultimately lead to a sharp decline in their population.
2. Pollution is a favorable factor that causes cricket frogs to flourish and increase in number. Thus the higher the pollution level, the higher will be the population of cricket frog
3. Food sources will reduce the competition with in the cricket frog species and hence there population will increase.