B. Decrease. The shrew population is dependent upon the grasshoppers as a prey item. A decrease in the available prey would result in a decrease in the predator population due to lack of resources to support the current population.
It carries impulses to the neuron cell body
Gregor Mendal is known as the father of genetics. Mendal while a monk, used math to discover the basics of heredity by crossing pea plants with different characteristics for the f1 generation but when he crossed the f1 generation with a different pea plant he realized the traits that were in the original crossing to get f1 generation didn't show up until the f2 generation.