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Chapter 1 Vocabulary

Biology in the 21 Centurie

TermDefinition
biosphere all living things and all the places they are found Earth make up
biodiversity variety of life within an area
species a group of organism that are so similar to one anther they all breed and produce fertile offspring's
biology scientific study of all forms of life
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 basic unit of life
metabolism all chemical processes that synthesize or break down materials within an organism
DNA the genetic material that contains information that determines inherited characteristics is a molecule
system changing, organized group of related parts that interact to form a whole
ecosystem collection of organism s and nonliving things, such as climate, soil, water, and rocks, in an area
homeostasis regulation and maintenance of consist internal conditions
evolution changes in a species over time
adaption inherited trait that are selected for over time
observation using the senses to study the world
data observations and measurements recorded during an experiment
hypothesis proposed explanations or answers to a scientific question
experiment process that tests
independent variable conditions or factors that is manipulated by a scientist during an experiment
dependent variable experiential data collected through observation and measurement
constant the variable that is always the same
theory proposed explanation for a wide variety of observations
measurement the determination of dimensions of something using standard units
accuracy how close a measurement is to the true value
precision the exactness of a measurement
microscope provides an enlarge image of an object
gene segment of DNA that stores genetic information
molecular genetics study and manipulation of DNA on molecular level
genomics study and comparison of genomes both within and across species
biotechnology the use and application of living things and biological processes
transgenic organisms that have genes from one than one species or have altered copies of their own genes
Created by: clarks22
 

 



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