Biology
the study of living things
Biosphere
the part of Earth where life existed
Biodiversity
The number of different species in an area
Species
A group of organisms that are closely related and can to produce fertile offspring
System
A group of parts that work together as a whole
Ecosystem
A community of organisms and their environment
All living things are made of_____?
Cells
All living things require a source of ______?
Energy
All living things must maintain ______?
Homeostasis
Adaption
An inherited trait that's passed down to offspring
Scientific Method
the process of scientific questions being answered
Measurement
The process of using dimensions, quantity, or capacity by comparison
Accuracy
how close a measurement is to the true value
Precision
the exactness of a measurement
Hypotheses
A testable prediction, often implied by a theory
Theory
proposed explanation for a wide variety of observations and experimental results
Scientific law
a rule that describes a pattern in nature
qualitative data
descriptive data (color,smell,texture)
Quantitative data
Data expressed in numbers (mass, area, length)
Insignificant results
Data that shows NO affect on something
statistical significance
Data that shows an affect on something
independent variable
variable that is manipulated ( stays the same)
Dependent variable
Observed and measured in an experiment ( changes)
Constants
Conditions that stay the same in the experiment
Magnification of _______ times gives a clear image on an microscope
1500x
Electron microscope
uses beams of electrons, rather than light, to produce images
(SEM)
Scanning Electron Microscope; Scans a beam of electrons across the surface of the specimen.
(TEM)
Trasmission Electron Microscope; used to study parts inside of a cell; only dead cells can be observed
(MRI)
magnetic resonance imaging
Genomics
study of whole genomes, including genes and their functions
Gene
sequence of DNA that codes for a protein and thus determines a trait
Molecular genetics
the study and manipulation of DNA on a molecular level
Biotechnology
The application of living things and biological processes
(GMO)
genetically modified organism
(DNA)
deoxyribonucleic acid