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27 Cards in this Set
- Front
- Back
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biosphere |
all organisms and the part of Earth where they exist |
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biodiversity |
variety of life within an area |
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species |
group of organisms so similar to one another that they can breed and produce fertile offspring |
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biology |
scientific study of all forms of life |
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organism |
any individual living thing |
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DNA |
molecule that stores genetic information in all organisms |
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cell |
basic unit of life |
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metabolism |
all chemical processes that synthesize or break down materials within an organism |
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gene |
specific region of DNA that codes for particular protein |
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molecular genetics |
study and comparison of genomes within a single species or among different species |
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microscope |
tool that provides an enlarged image of an object |
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biotechnology |
use and application of living biological processes` |
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transgenic |
organisms whose genome has been altered to contain one or more genes from another organism or species
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qualitative data |
descriptions in words of what is being observed |
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quantittive data |
numeric measurements-- the data is the same no matter who measures it |
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observation |
using the senses to study the world; using tools to collect measurements; examining previous research results |
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data |
observations and measurements recorded during an experiment |
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experiment |
process that tests a hypothesis by collecting information under controlled conditions |
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independent variable |
condition or factor that is manipulated by a scientist during an experiment |
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dependent variable |
experimental data collected through observation and measurements |
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constant |
condition that is controlled so that it does not change during an experiment |
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theory |
proposed explanation for a wide variety of observations and experimental results |
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system |
changing, organized group of related parts that interact to form a whole |
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ecosystem |
collection of organisms and nonliving things,such as climate, soil, water, and rocks, in an area |
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homeostasis |
regulation and maintenance of constant internal conditions in an organism |
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evolution |
change in a species over time; process of biological change by which descendants come to differ with their ancestors |
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adaptation |
inherited trait that is selected over time because it allows organisms to better survive in the environment |
