Farmers in Nick’s village are using excessive chemical fertilizers for increasing the productivity of their crops. Nick and his
team of other community activists are concerned that prolonged use of chemical fertilizers will impact the environment. How can excessive use of fertilizers affect the environment in a negative way? A. food quality will improve
B. economic conditions of that region will improve
C. deforestation will occur
D. no shortage of food will occur
E. the food chain will be disrupted
The chemical fertilizers are the chemicals which contain essential elements which are required by the plants but not always present in the soil used for growing the crops.
According to the given situation, excessive use of fertilizers likely to affect the food chain of the agricultural ecosystem. As these fertilizers will be added up to the food chain. These fertilizers can be poisonous for microbes which act as decomposers of organic matter present in the soil. Also some of the insects will also get affected by the toxic chemicals. The plants will absorb these toxic chemicals which will be transmitted to the insects, herbivorous animals and to the humans. Hence, the toxicity will affect the population size of the susceptible species.
Therefore, the entire food chain will be disrupted by this way.
A woman with blood type A has a child with blood type O. She accuses a man who is homozygous for blood type B of being the father. Could this man be the father of her child? If so, what is the chance he is the father?
