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Bio Chapter 1

TermDefinition
Biosphere all organisms and the part of the Earth where they exist
Biodiversity variety of life within an area
Species group of organisms so similar to each other that they can breed and produce fertile off spring
Biology scientific study of all forms of life
Science knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested
Organism any individual living thing
Cell basic unit of life
Metabolism all chemical processes that synthesize or break down materials within an organism
DNA (deoxyribonucleic acid) molecules that store genetic information in all organisms
System changing, organized group of related parts that interact to form a whole
Ecosystem collection of all organisms and nonliving things, such as climate, soil, water, and rocks in an area
Homeostasis regulation and maintenance of constant internal conditions in an organism
Evolution changes in a species over time; processes of biological changes by which decedents come to differ from their ancestors
Adaptation inherited traits that are selected over time because it allows organisms to better survive in their environment
Observation using the senses to study the world; using tools to collect measurements; examining previous research results
Data observations and measurements recorded during as experiment
Hypothesis proposed explanation or answer to a scientific question
Experiment processes that test a hypothesis by collecting information under controlled conditions
Independent Variable condition or factor that is manipulated by a scientist during an experiment
Dependent Variable experimental data collected through observation and measurement
Constant condition that is controlled so that it does not change during an experiment
Theory proposed explanation for a wide variety of observations and experimental results
Measurement a determination of the dimensions of something using a standard unit
Accuracy a description of how close a measurement is to the true value of the quantity measured
Precision the exactness of a measurement
Microscope tool that provides an enlarged image of an object
Gene specific region of DNA that codes for a particular protein
Molecular Genetics study of a DNA structure and function on the molecular level
Genomics study and comparison of genomes within a single species or among different species
Biotechnology use and application of living things and biological processes
Transgenic organisms whose genome has been altered to contain one or more genes from another organism or species
Created by: mbaker36
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