Classification, Taxonomy & Germ Theory

These flashcards cover key concepts from Unit 11 on Classification, Taxonomy, and Germ Theory, including definitions and important terms.

Taxonomy

The science of classifying and naming organisms.

Binomial Nomenclature

A 2-part naming system using Genus and species.

Taxonomic Levels

The hierarchy: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and species.

Prokaryotic

Simple cells without a nucleus (Archaea and Bacteria).

Eukaryotic

Complex cells with a nucleus (Domain Eukarya).

Dichotomous Key

A tool used to identify organisms via yes/no questions.

Species

Organisms that interbreed and produce fertile offspring.

Lytic Cycle

Viral cycle that bursts the host cell immediately.

Lysogenic Cycle

Viral cycle where DNA hides inside host DNA.

Pathogen

Any microbe (bacteria, virus, etc.) that causes disease.

Antibiotics

Drugs used to kill bacteria only.

Vaccines

Substances that prevent viral diseases by building immunity.

Robert Koch

Scientist who proved specific microbes cause specific diseases.

Domains and Kingdoms

The 3 domains are split into smaller groups called kingdoms.

What are the 6 Kingdoms?

Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia.