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26 Cards in this Set
- Front
- Back
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biosphere
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all organisms and the part of Earth where they exist.
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biodiversity
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variety of life within an area.
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species
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group of organisms so similar to one another that they can breed and produce fertile offspring.
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biology
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scientific study of all forms of life.
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organism
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any individual living thing.
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cell
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basic unit of life.
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metabolism
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all chemical processes that synthesize or break down materials within an organism.
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DNA, deoxyribonucleic acid
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molecules that stores genetic information in all organisms.
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system
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changing, organized group of related parts that interact to form a whole.
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ecosystem
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collection of organisms and nonliving things such as climate, soil, water, and rocks in an area.
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homeostasis
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regulation and maintenance of constant internal conditions in an organism.
evolution, change in a species over time. |
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adaptation
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inherited trait that is selected for over time because it allows organisms to better survive in their environment.
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observation
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using the senses to study the world; using tools to collect measurements; examining previous research results.
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data
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observations and measurements recorded during an experiment.
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hypothesis
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proposed explanation or answer to a scientific question.
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experiment
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process that tests a hypothesis by collecting information under controlled conditions.
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independent variable
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condition or factor that is manipulated by a scientist during an experiment.
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dependent variable
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experimental data collected through observation and measurement.
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constant
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condition that is controlled so that it does not change during an experiment.
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theory
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proposed explanation fro a wide variety of observations and experimental results.
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microscope
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tool that provides an enlarged image of an object.
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gene
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specific region of DNA that codes for a particular protein.
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molecular genetics
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study of DNA structure and function on the molecular level.
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genomics
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study and comparison of genomes with in a single species or among different species.
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biotechnology
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use and application of living things and biological processes.
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transgenic
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organisms whose genome has been altered to contain one or more genes from another organism or species.
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