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13 Cards in this Set
- Front
- Back
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What is Biology?
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The scientific study of life
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Levels of Biological Organization (From the top)
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Biosphere
Ecosystem Community Population Organism Organ System Organ Tissue Cel Organelle Molecule |
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Biosphere
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Consists of all environments on Earth that support life (land, bodies of water, and the lower atmosphere)
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Ecosystem
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Cosnists of all organisms living in a particular area, as well as non living physical components of the environment with which the organisms interact, such as air, soil, water and sunlight
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Community
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The entire array of organisms inhabiting a particular ecosystem
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Population
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conists of all the individuals of a species living in a specified area, such as all the brown pelicans living in the coastal community.
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Organism
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An individual living thing
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Organ System
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Organs that work together in performing specific functions (digestive system, circulatory system or nervous system)
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Organ
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part of a body that has a specific function
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Tissue
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Has a specific function and made up of a group of similar cells
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Cell
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Seperated from it environment by a boundery called membrane.
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Organelle
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A membrane bound structure that performs a specific funcion in a cell.
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Molecule
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a cluster of atoms held together by chemical bonds
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