15 Questions
What are pathogens?
Agents capable of causing disease
How do bacteria reproduce?
Through cell division
What is the function of endospores in bacteria?
To provide a kind of hibernation for prokaryotes
How are infectious agents classified?
Into four major classes: bacteria, viruses, fungi, and parasites
What enables a bacterium to live in most environments?
Cell wall that prevents heavy water flow into the cell
What distinguishes a virus as either RNA or DNA?
Type of nucleic acid found in its core
How do viruses cause harm to animals?
By attaching to and invading host cells, replicating, and destroying them
What distinguishes fungi from other organisms?
Eukaryotic cells with cell walls but no chlorophyll
How do fungi primarily reproduce?
By spores
What distinguishes parasites that cause disease from those that serve as carriers?
Ability to directly cause disease or disorders
What distinguishes a virus as either RNA or DNA?
Type of nucleic acid in its core
How do viruses cause harm to animals?
By attaching to and invading host cells, replicating, and destroying them
What distinguishes fungi from other organisms?
Eukaryotic cells with cell walls but no chlorophyll
How can fungi enter an animal's body?
Through the skin, eyes, respiratory system, or digestive system
How do parasites cause disease?
By directly invading host cells or serving as carriers of diseases
Test your knowledge of animal diseases and immunity with this quiz. Learn about acquired immunity, antigens, natural immunity, pathogens, and more.
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