Often times, other species can also invade an ecosystem and do harm to it by interrupting the life cycles of other organisms, causing a clash of nature that has already been damaged by the overflow of pollution. 5. Ocean Mining. Ocean mining in the deep sea is yet another source of ocean pollution.
The organization must Selection methods include, but are not limited to, reference and background checks, interviews, cognitive testing, personality testing, aptitude testing, drug testing, and assessment centers. 4.
SELECTION: â. MEANING OF SELECTION: Selection is the process of picking up individuals (out of the pool of job applicants) with requisite qualifications and competence to fill jobs in the organization. A formal definition of Selection is as under. Definition of Selection: Process of differentiating.