Vocabulary Vocabulary ReviewReview

Introduction Introduction to Biologyto Biology

1

Study of life

BIOLOGY

2

High degree of internal & external

order in living things

ORGANIZATION

3

Composed of only one cell

UNICELLULAR

4

Composed of more than one

cell

MULTICELLULAR

5

Smallest unit of life

CELL

6

Group of specialized cells working together

TISSUE

7

Tissues working together to do a job such as the heart or

lungs

ORGANS

8

Tiny structures inside a cell that do different jobs

ORGANELLES

9

Chemical compounds that

make up organelles

BIOLOGICAL MOLECULES

10

An individual living thing

ORGANISM

11

A physical or chemical change in the

environment an organism can respond

to

STIMULUS

12

The response of the pupils of the eye when shown

a bright light

DILATION13

Stable internal conditions of an

organism

HOMEOSTASIS

14

What would happen to an organism that

didn’t maintain homeostasis

DEATH15

Required by all living things to power their life

processes

ENERGY

16

Sum of all the chemical reactions

in an organism

METABOLISM

17

Process of capturing and storing light energy in the

bonds of sugars

PHOTOSYNTHESIS

18

Increase in size of an organism

GROWTH

19

Formation of new cells from

existing cells

CELL DIVISION

20

The main change that follows cell

division in a unicellular organism

ENLARGEMENT

21

Process by which an organism becomes a

mature adult

DEVELOPMENT

22

Cells specializing by taking on

different shapes and functions

DIFFERENTIATION

23

Organisms producing new organisms like

themselves

REPRODUCTION24

Reproduction of organisms must

occur for this to be true for a species

SURVIVAL

25

Large molecule containing the

hereditary information of a

cell

DNA

26

Instructions for a single trait on

DNA

GENE

27

Reproduction that recombines hereditary information from two

organisms

SEXUAL

28

Reproduction where the new individual is genetically identical

to the original

ASEXUAL29

The ability of a population of organisms to

change over long periods of time

EVOLUTION30

The variety of life that exists

DIVERSITY

31

Three major divisions of all

life

DOMAINS

32

Animalia, Plantae, and

Fungi are examples

KINGDOMS

33

Organisms interacting with each other and

their environment

ECOLOGY34

Communities of living organisms

and their physical

environment

ECOSYSTEM35

Main byproduct of animals that

is used by plants

CARBON DIOXIDE

36

Descent with modification

EVOLUTION

37

Theory that organisms with favorable traits

are better able to survive

NATURAL SELECTION

38

Traits that improve an individual’s

ability to survive and reproduceADAPTATIONS

39

An organized approach used by scientists to learn how the natural

world works

SCIENTIFIC METHOD

40

The act of perceiving the natural world

OBSERVATION

41

Formed from observations to

propose an explanation for the way things work in the natural world

HYPOTHESIS

42

Test of a hypothesis

EXPERIMENT

43

Information gathered in an

experiment

DATA44

Provides a standard for

comparison in an experiment

CONTROL45

The one thing that a scientist allows to change in an

experiment

VARIABLE

46

Highly tested, generally

accepted principle that explains

several observations

THEORY47

Scientific experts who critique

another scientist’s work

PEER REVIEW

48

49