Parasites

a disorder of structure or function in an animal, especially one that produces specific signs or symptoms or that affects a specific location

• Parasite

• Disease

• Host

• Larva

the active immature form of an insect, especially one that differs greatly from the adult and forms the stage between egg and pupa

• Larva

• Pupa

• Host

• Pathogen

 isolated incident in a single animal

• Enzootic

• Sporadic

• Panzootic

• Zoonotic

disease that spreads rapidly over a very large area and affects many animals in a short period of time 

• Enzootic

• Epizootic

• Sporadic

• Panzootic

 an animal or plant on or which a parasite or commensal organism lives

• Host

• Pupa

• Larva

a bacterium, virus, or another microorganism that can cause disease 

• Bacteria

• Virus

• Pathogen

• Protozoa

microorganisms that cause disease; single-celled organisms that are often parasitic

• Protozoa

• Bacteria

• Pathogen

• Disease

Useful in controlling bacteria, it will not combat viruses, antibiotics originate from living sources, usually the living sources come from molds and fungi 

• Antibiotics

• Protozoa

• Virus

Line of defenses, physical barriers that keep pathogens out

• Red blood cells

• Immune System

• Endoparasite

• White blood cells

carry oxygen and other nutrients

• Red blood cells

• White blood cells