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15 Cards in this Set

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The basic unit of structure of all living things.
Most living things are composed of many cells. These cells work together to carry out the life processes of that organism.
The functions that a living thing must carry out to stay alive and produce more of its own kind.
life processes
Digestion is one of the essential life processes.
Substances that are needed for an organism to live and grow.
Proteins, carbohydrates, and fats are nutrients found in food.
Similar cells working together.
Muscle tissue contains cells that contract.
Different types of tissue working together to perform a certain function.
The hear, skin, and lungs are organs of the human body.
Groups of organs working together.
organ system
The digestive system is an organ system that includes the stomach, small intestine, and large intestine.
A thin layer that surrounds all cells. It allows water and dissolved materials to pass into and out of the cell.
cell membrane
It controls all the cell's activities and is very important in cell reproduction.
It is a large storage area filled with liquid that contains various substances.
The jellylike substance that fills much of the cell; other cell structures are found here.
The structure in which food making occurs. It contains the green-colored pigment chlorophyll.
The tough outer covering of a plant cell that gies it a rigid shape. It is made of cellulose.
cell wall
Things that must carry out life processes in order to survive, grow, and or carry out other life processes.
living things
Things that do not grow, reproduce, or carry out other life processes.
nonliving things

Plants take in carbon dioxide and release oxygen, while animals take in oxygen and release carbon dioxide. Release energy in food.
Give off wastes.
Animals and plants both react to their surroundings, grow and develop, and reproduce.
Diff: Plants make food; animals eat food.
similar life processes of plants and animals