The document defines and provides examples for several words beginning with "prot/proto": protagonist, protocol, protoplasm, prototype, and protozoa. The protagonist is the main character of a literary work, such as Kamala Khan in Ms. Marvel. Protocol refers to rules of behavior, like classroom rules. Protoplasm is the living substance that makes up cells. A prototype is an original model, like the Volkswagen model. Protozoa are one-celled animals.
2. Protagonist
the main character in a
literary work
Kamala Khan is the
protagonist of the new
Ms. Marvel comic.
3. Protocol
a code of diplomatic or
military rules of
behavior
The teacher broke
classroom protocol by
allowing students to
jump around, eat food,
listen to music and
avoid class work.
4. Protoplasm
the substance that
makes up the living
parts of cells
We learned about
protoplasm when we
studied cells.
5. Prototype
an original model on
which something is
patented
The Volkswagen
prototype was on
display last month.
6. Protozoa
one-celled animals
My nerdy science
brother thinks Protozoa
are so cute.