Download WEEK 4: Root Words

BIO
bio = life
antibiotic (noun)
Definition:

A medicine used to
save lives because it
destroys harmful
bacteria and cures
infection.
Antibiotics help people live by destroying
harmful bacteria that get into a person’s
body.
autobiography (noun)
My Life
in the
NBA
By Michael Jordan
Definition:
 A piece of writing
written by a person
about his or her
own life.
Have you read the new book by Michael
Jordon? It is an autobiography of his life in
the NBA.
biography (noun)

HILLARY DUFF
Definition:

BY T. KAISER
A piece of writing
about a person’s
life written by
someone else.
The new biography on Hillary Duff was well
written by the teenage author, T. Kaiser.
biologist (noun)
Definition:
 A person who
studies living
things.
The biologist had been studying the effects of
sunlight on plant life.
biology (noun)
Definition:
 The study of living
things.
In biology you study plants, animals and
human life.
biopsy (noun)
Definition:
 The removal of living
tissue from the body
for diagnostic
examination.
The doctor took a biopsy of the growth in his
stomach to determine whether or not it was
cancer.
biosphere (noun)

Definition:
 The zone of planet
Earth where there is
life (between the deep
crust and the lower
atmosphere).
We live in the biosphere of planet Earth.
Macrobiotic Diet (noun)
Definition:
 A diet thought to
help people live
longer because it
focuses on natural
foods.
My 80 year old grandfather is starting a
macrobiotic diet so that he can live until he is 100
years old.
Neurobiology (noun)

Definition:
 The study of the
nervous system of
living things and how
it helps living things
learn and react.
The area of science that investigates how the brain
affects the body is neurobiology.
symbiosis (noun)
Definition:
 How two different living
organisms live together
and depend on each
other.
An excellent location to see symbiosis in action is
the rainforest; plants and animals depend on each
other for survival.