They labored, they were exploited and they were killed.
The death camps kept the Jews from living!
They were in both..
In the concentration camps, Jews and everyone else marched around the camps.
no - only because no camps were built specifically for Jews, they were forced to have concentration camps though.
The first time Jews were put into concentration camps for being Jewish was after Kristalnacht, some were returned, some perished and others stayed in the system. In 1940 some were held in labour camps, but it was not really until 1941 that Jews were rounded up and put wholesale into concentration camps.
Your question is unclear. As a many Jews were in the camps it is safe to assume that they knew of them.
No. Most Jews were unaware of the existence and purpose of the Concentration Camps and the Death Camps.
The Jews were taken to extermination camps by force. They did not 'agree' to go voluntarily.
Jews were sent mainly to extermination camps rather than concentration camps. Please see the related question(s).
Jews were sent there by Train.
Concentration camps, Extermination camps and Death camps
Most Jews were brought to the Nazi Concentration camps using trains, shoving the Jews into cattle-cars to humiliate them.