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ACT science3
Term | Definition |
---|---|
adaptations | a change or changes in an organism that makes it more fit for survival |
compounds | a pure substance composed of two or more elements |
elements | one of the fundamental substances that cannot be broken down into simpler substances by chemistry |
isotonic | equal osmotic pressure |
mutation | a change in hereditary material resulting from a change in gene or chromosome |
osmosis | the movement of a solvent through a semipermeable membrane into a solution in which the concentration of the solute is higher to equalize |
solution | the process by which a solute is mixed in a solvent, or the mixture that is created |
atoms | the smallest unit of an element |
biomes | a distinct type of ecological community |
diffusion | the intermingling of molecules by random thermal agitation |
fusion | a nuclear reaction in which nuclei are combined |
immunity | the ability to resist a particular disease |
light year | 5.88 trillion miles, distance light travels in one year |
pH | the measure of acidity or alkalinity of a solution |
traits | an inherited characteristic |
habitat | the environment in which an organism naturally lives |
metabolism | the process in which energy is made available for an organism |
symbiosis | the living together of two unlike organisms |
anaerobic | an organism that lives in the absence of free oxygen |
aerobic | an organism that uses oxygen in its metabolic processes |