Under The Microscope: Lesson 2

Front

bacterium, bacteria

Back

a microscopic, single-celled living organism that can be beneficial, such as those that aid digestion, or harmful and cause diseases

Front

fungus, fungi

Back

a living organism that consumes organic matter and can reproduce—it can infect a living host and either benefit or harm them

Front

microorganism

Back

an organism that is too small to see without a microscope

Front

microscopic

Back

an adjective used to describe something so small that it can only be seen with a microscope

Front

multicellular

Back

an adjective used to describe an organism that is made up of two or more cells

Front

nonliving

Back

an adjective used to describe something that is not alive and has never lived, such as a rock

Front

pathogen

Back

a microorganism that causes disease by killing or damaging healthy cells

Front

tissue

Back

the material, composed of specialized cells, that plants and animals are made up of

Front

unicellular

Back

an adjective used to describe an organism that is made of only one cell

Front

virus

Back

a type of non-living thing, it can only reproduce in a living host and can either benefit or harm them