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Bio Chapter 1

Biosphere Where all living things and places they are found on Earth
Biodiversity The variety of organisms in a given area
Species A group of organisms that are closely related and can produce fertile offspring
Biology The study of science, the scientific study of living things and their interactions with the environment
Science The 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 The basic unit of life
Metabolism The chemical process that builds up and breaks down materials
DNA The genetic information that determines inherited characteristics is a molecule called deoxyribonucleic acid
System Is an organized group of related parts that interact to form a hole
Ecosystem A community of organisms and their physical environment
Homeostasis The maintenance of constant internal conditions in an organism
Evolution Is the change in living things over time
Adaptation An inherited trait that gives an advantage to individual organisms and it passed on to future generations
Observation The use of our senses to study the world
Data Recorded observations Two types of data are: qualitative data and quantitative data
Hypothesis A proposed answer for a scientific question
Experiment Allows scientists to test hypotheses and find out how something happens
Individual Variable The condition that is manipulated, or changed, by a scientist
Dependent Variable The observations and measurements in an experiment
Constant The conditions that do not change during an experiment
Theory A proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence
Measurement The determination of the dimensions of something using a standard unit
Accuracy The description of how close a measurement is the true value of the quantity measured
Precision The exactness of a measurement
Microscope Provides an enlarged image of an object
Gene A segment of DNA that stores genetic information
Molecular Genetics The study and manipulation of DNA
Genomics The study and comparison of genomes
Biotechnology The use and application of living things and biological processes
Transgenic Organisms that have information from more than one species, or have altered copies of their own genes
Created by: LoweryM21