Bacteria

Key Stage 3

Meaning

Bacteria are unicellular microorganisms that have no nucleus, mitochondria or chloroplast but do have cytoplasm, a cell membrane and a cell wall.

Singular Noun: Bacterium

Plural Noun: Bacteria

Adjective: Bacterial

About Bacteria

Bacteria can cause disease but some are important to keep us healthy.

Some Bacteria have a tail called a flagellum.