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| 3 MAIN FUNCTIONS OF ALL LIVING THINGS |
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Definition
| NUTRITION, INTERACTION WITH THE ENVIRONMENT and REPRODUCTION |
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| The process which allows living things to obtain ENERGY. |
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| Obtain their energy to survive from inorganic substances like water, mineral salts and carbon dioxide. |
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| Also known as CONSUMERS, get their energy from organic matter: living things and their remains. |
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| INTERACTION WITH THE ENVIRONMENT |
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| Refers to the ability of living things to react and adapt to the changes that occur around them. |
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| Refers to the capacity of living things to create new living things. |
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| Living things that are capable of reproducing on their own. |
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| Requires living things of different sexes. |
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| Carbon, Oxygen, Hydrogen and Nitrogen: the 4 chemical substances which living things are made up of. |
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| Do not contain carbon (C) and are present in both living and non-living things. |
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| Makes up 74% of plants and 60% of animals. |
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| Inorganic substances which form bones, teeth, shells and are present in fluids like blood, tears and sweat. |
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| Their principal element is carbon (C) and some examples are: glucides, lipids, proteins, vitamins and nucleic acids. |
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| The smallest unit of life. |
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| Are simpler than eukaryotic cells and have no nucleus. |
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| More complex than prokaryotic cells and have a nucleus. Fungi, algae, plants and animals have this type of cell. |
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| Have a rigid wall, are polyhedral and the nucleus is found on one side. |
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| Have a softer wall, are differently shaped and their nucleus is in the middle. |
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