Home > Flashcards > Science > Chap. 3 vocab sec 1

Details Title: Chap. 3 vocab sec 1 Description: cells Total Flash Cards: 16 Created: 11/10/2004 06:03:26	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term cell Definition a membrane covered structure that contains all of the materials necessary for life Term tissue Definition a group of cells that work together to perform a specific job in the body Term organ Definition 2 or more tissues work together to perform a specific job Term organ system Definition organs work together in groups to perform particular jobs Term organism Definition anything that can live on its own Term unicellular Definition a single cell living on its own Term multicellular Definition exist only as a group of cells Term population Definition group of organisms that are of the same kind and that live in the same area Term community Definition 2 or more populations living in the same area Term ecosystem Definition the community and all of the nonliving things that affect it Term cell membrane Definition a barrier between the inside of the cell and the cell's enviornment Term organelles Definition chemicals and structures that enable the cell to live, grow and reproduce Term cytoplasm Definition fluid surrounding the chemicals and structures of a cell Term prokaryotics Definition cells that do not have a nucleus Term eukaryotic Definition cells that have a nucleus Term bacteria Definition the world's smallest cells and they do not have a nucleus