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Multi and uni
unit 4 vocab: multicellular and unicellular organisms
Term | Definition |
---|---|
unicellular | A single celled organism. |
Multicellular | An organism made up of more than one cell. |
Organelles | Parts inside of a unicellular organism that perform life functions. |
Waste removal | The life function of getting rid of waste materials. |
Respiration | In unicellular organisms, this life function is breaking down food to release energy. |
Irritability | The life function of responding to the environment. |
Reproduction | The life function where an organism makes more of it's own kind. |
Growth | In unicellular organisms, this life function means replacing worn out cell parts; in multicellular organisms, it means getting larger in size. |
Urinary system | The system in multicellular organisms that gets rid of liquid waste. |
Endocrine system | Works with the reproductive system in multicellular organisms to perform reproduction. |
Nervous system | The system that helps multicellular organisms react to their environment. |
Vacuole and cell membrane | The organelles in unicellular organisms that perform waste removal. |
Binary Fission | The method by which unicellular organisms reproduce. |
Mitochondria | The cell organelle that performs respiration in unicellular organisms. |
Tissues | A group of similar cells working together to perform a specific job. |
Organs | The structure that is made up of different kinds of tissues that work together to perform a specific life function. |
Organ systems | A group of organs that work together to perform a major life function. |
Respiratory system | The system made up of the lungs and other organs that enable a multicellular organism to breathe. |
Circulatory System | Works with the respiratory system to move oxygen around the body. |
Cell division (mitosis) | The process multicellualr organisms use to add new cells when growing. |