click below
click below
Normal Size Small Size show me how
Bio Chapter 1
Question | Answer |
---|---|
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 |