The correct answers are: groundwater, wetlands, rivers, ponds .
Fresh water includes all water excluding seawater and brackish water. Fresh water is not the same as drinking water.
It is important for many organisms as habitat and living resource, plants and most mammals requires fresh water to live.
Hey Rosalyn!
A nucleus in a cell, holds DNA and DNA is essential. If there is no nucleus, there is no cell. If you need further clarification, comment on my answer :)