Anaerobic bacteria

Bacteria that do not require oxygen to survive

Aerobic bacteria

Bacteria that use oxygen for cellular respiration

Virus

A tiny, non living particle made up of genetic material and protein

Host cell

A cell that is, or becomes, infected with a virus

Vaccine

A preparation of a virus particles that when injected into the body, causes the immune system to produce antibodies

Immune system

A system that protects an organism from unfamiliar objects like viruses

Antibodies

proteins that bind to viruses and prevent them from injecting cells

Protozoan

A single celled eukaryote that has some animal like characteristics

Cilliates

A group of protozoans that move by waving tiny, hair like organelles called cilia

Amoebas

A group of protozoans that move by means of pseudopods

flagellates

a group of protozoan that move using a whip like organelle called a flagellum

sporozoans

a group of protozoans that do not have organelles for movement and are parasites

parasite

an organism that lives in or on a host organism and cause it harm

bacteria

organisms that consist of a single prokaryotic cell

photosynthetic bacteria

bacteria that produce their own food through photosynthesis