Vocabulary Review
Introduction
to 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
DILATION
13
Stable internal
conditions of an
organism
HOMEOSTASIS
14
What would happen
to an organism that
didn’t maintain
homeostasis
DEATH
15
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
REPRODUCTION
24
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
ASEXUAL
29
The ability of a
population of organisms
to change over long
periods of time
EVOLUTION
30
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
ECOLOGY
34
Communities of living
organisms and their
physical environment
ECOSYSTEM
35
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
reproduce
ADAPTATIONS
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
DATA
44
Provides a
standard for
comparison in an
experiment
CONTROL
45
The one thing that a
scientist allows to
change in an
experiment
VARIABLE
46
Highly tested,
generally accepted
principle that
explains several
observations
THEORY
47
Scientific experts
who critique another
scientist’s work
PEER REVIEW
48
49