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