Ranging from 0.25-10mm in length, there are typically around 10,000 per square metre of soil, rising to as many as 200,000 per square metre in some places. The 6,000 known species of these wingless arthropods can be found in all manner of habitats all over the world, from beaches and cliffs to the Antarctic and the highest mountain ranges on Earth.
Social workers provide counseling/therapy at mental health centers. There are several kinds of therapy including individual therapy, family therapy, home based family therapy, behavior therapy, or group therapy.
Social workers help others through some of life's complex challenges, including family abuse, mental illness, disability, and the loss of loved ones. As a social worker, you work with diverse individuals through counseling to help them understand and deal with the difficulties of everyday life.