Name__________________________ Class Period______
Vocabulary Quiz #4
Study Guide
QUIZ DATE_______________________
What to know:
•
The meaning of each root
Dict
Struct
Gress
bio
say
Build
Step
life
•
The definition of each vocabulary word
•
Two examples of contradictions.
•
Two examples of things that would be an obstruction.
• How to use the word digress in a sentence.
•
The definition of the word biodiversity.
•
One example word (and its definition) that correctly uses each root. This cannot
be one I gave you. You should also know how to use this word in a sentence
Please see completed notes on the reverse side of
this handout 
struct: build
Obstruction: a thing that impedes or prevents passage or progress; an obstacle or
blockage.
With the obstruction removed, water plunged down the creek bed, dragging debris
with it.
dict: say
Contradict: to go against or say the opposite.
The “do not enter” sign was contradicted with an “enter Here” sign.
gress: step
Digress: to step away from the main topic and lose clarity; to wander in thoughts or
ideas.
The student was digressing from her topic of dogs in her paper when she started to
talk about fish.
bio: life
Biodiversity: the range of different plant and animal life in a particular habitat (or in
the world as a whole)
One measure of the biodiversity of an area is the number of species found there.