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16 Cards in this Set
- Front
- Back
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Falsifiable |
Able to be refuted. |
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Independent variable |
The variable that is manipulated by the researcher in a scientific experiment. |
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Dependent variable |
Any variable that responds, or could potentially respond, to changes in an independent variable. |
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Controlled experiment |
An experiment that measures the value of a dependent variable for two groups of subjects that are comparable in all respects except that one group (the treatment group) is exposed to a change in the independent variable and the other group (the control group) is not. |
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Atom |
The smallest unit of an element that retains the elements distinctive properties. Atoms are the building blocks of all matter. |
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Molecule |
An association of atoms held together by chemical bonds. |
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Cell |
The smallest and most basic unit of life- a microscopic, self contained unit enclosed by a water repelling membrane. |
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Tissue |
A group of cells that function in an inter-related manner to perform a unique set if tasks in the body |
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Organ |
A collection of different types of tissues that form a functional unit with a distinctive shape and location in the body. |
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Organ system |
A network of organs that work in a closely coordinated manner to perform a distinct set of functions in the body. |
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Organism |
An individual living thing composed of imterdependent parts |
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Population |
A group of individuals and species living and interacting in the same environment. |
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Community |
The populations of different species that live and interact with one another in a particular place. |
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Ecosystem |
A particular physical environment and all the communities in it. |
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Biome |
A large region of the world defined by physical characteristics (especially climate) and a distinctive community of organisms. |
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Biosphere |
All the worlds living organisms and the physical spaces where they live. |
