Vocabulary
By: Maria Cody
Bacteria
 A certain type of microorganism.
cell
 The basic unit of structure and function in living
things
Cell membrane
 A thin covering that holds the parts of a cell together.
Cell wall
a thick layer that surrounds the plant
cell. The part of a plant cell that gives
the cell its shape.
Chloroplasts
 Organelles that make food in the plant cell
cytoplasm
 The jelly-like substance that contains many chemicals
to keep the cell functioning
microorganism
 An organism that is too small to be seen with the
unaided eye
mitochondria
 Releases energy from food. The powerhouse of the cell
mold
 A fungus that grows on old food and damp surfaces
nucleus
 An organelle that determines all of a cell’s activities
and the production of new cells
organ
 A group of tissues that work together to perform a
certain function
Organ system
 A group of organs that work together to do a job for the
body
organelles
 Small structures inside a cell that have particular
functions within that cell
organism
 A living thing that has (or can develop) the ability to
act or function independently.
protist
 A single-celled or multi-celled organism that shares
traits with plants or animals
Tissue
 A group of cells that work together to perform a certain
function