Biology Ch1

Front 1

Biology

Back 1

Study of life, past and present

Front 2

Atom

Back 2

Fundamental building block of matter

Front 3

Molecule

Back 3

Association of two or more atoms

Front 4

Cell

Back 4

Smallest unit of life

Front 5

Organism

Back 5

Consists of one our more cells

Front 6

Tissue

Back 6

Specialized cells organized in a pattern; performs a collective function

Front 7

Organ

Back 7

Grouping of tissues engaged in a collective task

Front 8

Organ system

Back 8

Set of organs engaged in a collective task that keeps the body functioning properly

Front 9

Population

Back 9

Group of interbreeding individuals of the same species that live in a given area

Front 10

Community

Back 10

All populations of all species in a given area

Front 11

Ecosystem

Back 11

Community interacting with its environment

Front 12

Biotic factors

Back 12

Alive

Hint 12

Trees

Front 13

Abiotic factors

Back 13

Nonliving

Hint 13

Air

Front 14

Biosphere

Back 14

All regions of Earth where organisms live

Front 15

Nutrient

Back 15

Substance that an organism needs for growth and survival but cannot make itself

Front 16

Producer

Back 16

Organism that makes its own food using energy and non-biological materials

Hint 16

Plants; autotrophs

Front 17

Photosynthesis

Back 17

Producers use light energy to make sugars from carbon dioxide and water

Front 18

Consumers

Back 18

Organisms that get energy and nutrients by feeding on tissues waste or remains of other organisms

Hint 18

Heterotroph

Front 19

Homeostasis

Back 19

Process by which organism keep its internal conditions within tolerable ranges by sensing and responding to change

Front 20

Deoxyribonucleic acid

Back 20

Is the basis of similarities in Form and Function among organisms

Front 21

Development

Back 21

Multi-step process by which the first cell of a new multi celled organism gives rise to an adult

Front 22

Growth

Back 22

Increase in the number size and volume of cells

Front 23

Reproduction

Back 23

Process by which individuals produce offspring

Front 24

Inheritance

Back 24

Transmission of DNA to offspring

Front 25

Trait

Back 25

An observable characteristic of an organism or species

Front 26

Taxon

Back 26

Group of organisms that share a unique set of traits

Front 27

Biodiversity

Back 27

Scope of variation among living organisms

Front 28

Bacteria domain

Back 28

Single cells no nucleus most ancient lineage

Front 29

Archaea domain

Back 29

Single cell no nucleus extremophilic evolutionary closer to eukaryotes than bacteria

Front 30

Eukarya domain

Back 30

Single celled and multi-celled species of protists plants fungi and animals; has a nucleus

Front 31

Prokaryote

Back 31

Single celled organism without a nucleus

Front 32

Eukaryote

Back 32

Organism whose cells characteristically have a nucleus

Front 33

Plants

Back 33

Multi celled typically photosynthetic producer

Front 34

Animal

Back 34

Multi celled consumer that develops through a series of stages and moves about during part or all of its life

Front 35

Protist

Back 35

Diverse group of simple eukaryotes

Front 36

Fungus

Back 36

Single celled or mukticelled eukaryotic consumer

Front 37

Species

Back 37

Uniquetype of organism

Front 38

Taxonomy

Back 38

The science of naming and classifying species

Front 39

Genus

Back 39

A group of species that share a unique set of traits

Front 40

Specific epithet

Back 40

Second part of a species name

Hint 40

Sapiens in Homo sapiens

Front 41

Critical thinking

Back 41

Judging information before accepting it

Front 42

Science

Back 42

Systematic study of the observable world

Front 43

Hypothesis

Back 43

Testable explanation of a natural phenomenon

Front 44

Inductive reasoning

Back 44

Drawing a conclusion based on observation

Front 45

Prediction

Back 45

Statement based on a hypothesis about a condition that should exist if the hypothesis is correct

Front 46

Model

Back 46

Andlogous system used for testing hypotheses

Front 47

Experiment

Back 47

Test designed to support or falsify a prediction

Front 48

Variable

Back 48

A characteristic or event that differs among individuals or over time

Front 49

Independent variable

Back 49

Condition or treatment controlled by the experimenter

Front 50

Dependent variable

Back 50

Observed results that is influenced by the independent variable

Front 51

Experimental group

Back 51

Receive a certain treatment or have certain characteristics

Front 52

Control group

Back 52

Identical to an experimental group but without exposure to the independent variable

Front 53

Data

Back 53

Test results that are consistent with the prediction support the hypothesis

Front 54

Scientific method

Back 54

Making testing and evaluating hypotheses

Front 55

Sampling error

Back 55

Difference between results obtained from a subset and results from the whole

Front 56

Probability

Back 56

Chance that a particular outcome of an event will occur

Front 57

Statistically significant

Back 57

The result is very unlikely that have occurred by chance alone

Front 58

Scientific theory

Back 58

Hypothesis that has not been disproven after many years of rigorous testing

Front 59

Law of nature

Back 59

Generalization that describes a consistent natural phenomenon for which there is incomplete scientific explanation