Biology 103

Front 1

organism

Back 1

a living thing

Front 2

cell

Back 2

basic unit of all living things

Front 3

unicellular

Back 3

an organism whose entire body is made of one cell

Front 4

multicellular

Back 4

an organism whose body is made up of more than one cell

Front 5

emergent properties

Back 5

properties that are not present at lower levels of organization

Front 6

energy

Back 6

to capacity to do work or cause change

Front 7

metabolism

Back 7

the sum of all chemical reactions that occur in a cell

Front 8

photosynthesis

Back 8

the capture and transformation of solar energy into the chemical energy of organic molecules

Front 9

homeostasis

Back 9

maintenance of a stable internal environment

Front 10

reproduce

Back 10

the ability to make another organism like one's self

Front 11

gene

Back 11

unit of heredity existing as alleles on the chromosomes

Front 12

adaptation

Back 12

a modification of the organisms structure, function, or behavior that makes it more suitable to its environment

Front 13

natural selection

Back 13

mechanism of evolution caused by environmental selection of the most fit and well-adapted individuals

Front 14

species

Back 14

a group of organisms capable of interbreeding and producing fertile offspring

Front 15

evolution

Back 15

decent with modification over time

Front 16

biosphere

Back 16

region of the earth's crust, waters, and atmosphere inhabited by living things

Front 17

population

Back 17

all the number of species within a particular area at a particular time

Front 18

community

Back 18

all the different populations within a particular area at a particular time

Front 19

ecosystem

Back 19

all of the living (community) and nonliving things in a particular area at a particular time

Front 20

biodiversity

Back 20

the total number of species, the variability of their genes, and the ecosystems in which they live

Front 21

extinction

Back 21

permanent total disappearance of a species or higher

Front 22

taxonomy

Back 22

the field of biology responsible for identifying and classifying organisms

Front 23

binomial nomenclature

Back 23

the universal two part naming system consisting of the genus and species of a given organism

Front 24

observation

Back 24

the gathering of information about a problem

Front 25

hypothesis

Back 25

a possible explanation for a natural event, that can be tested

Front 26

experiment

Back 26

artificial situation designed to test a hypothesis

Front 27

experimental design

Back 27

the manner in which a scientist intends to conduct an experiment

Front 28

control

Back 28

standard against which experimental results are checked

Front 29

model

Back 29

a representation of an object or process that can be more easily studied than the real thing

Front 30

phenomenon

Back 30

an observable event

Front 31

data

Back 31

facts or information collected through observation or experimentation

Front 32

conclusion

Back 32

statement made following an experiment as to whether or not the results support the hypothesis

Front 33

scientific theory

Back 33

concept supported by a broad range of observations, experiments, and data

Front 34

principle / law

Back 34

theory that is generally accepted by an overwhelming number of scientists

Front 35

experimental variable (independent)

Back 35

the variable that is being manipulated in your experiment and that may cause another variable to change

Front 36

response variable (dependent)

Back 36

the result or change that occurs due to the experimental variable