Changes in the environment can lead to shortages of food due to no rain to water the plants for herbivores.
species that are used to favourable conditions will die due to environmental unfavourable conditions.
Answer:
D. It would be impossible for employer prejudice to exist in a firm that sells its output in a competitive market unless all rivals also discriminate.
Explanation:
In a competitive market , efficiency of employee is the only factor that is taken into account to meet the challenges of the market . The employer can not afford the cost of being prejudiced against a staff because it only has deleterious effect on the morale of the employee. So in a competitive market ,there is no scope for employer's prejudice.