Sagot :
Answer:
1. If one of the organisms is removed or its population decreases or increases drastically, the scale is thrown off the balance.
2. then the number of rats in the rice field will increase. Every link in a food web is connected to at least two others. The biomass of an ecosystem depends on how balanced and connected its food web is. When one link in the food web is threatened, some or all of the links are weakened or stressed. The ecosystems biomass declines.