BIOL300C Evolution Lecture Flashcards

Flashcards summarizing key concepts and definitions from the BIOL300C Evolution lecture.

What is the Biological Species Concept?

A group of organisms capable of interbreeding and producing fertile offspring.

What is a species?

A group of organisms that are similar in many biological ways and dissimilar from other species.

What percentage of living species are arthropods?

67%.

What does the Phylogenetic Species Concept define?

Groups of populations or lineages that share a unique combination of fixed character states.

What did Carolus Linnaeus contribute to taxonomy?

He developed binomial nomenclature and classified species into hierarchical ranks.

What is the Principle of Priority in taxonomy?

The oldest available name is the valid name of a taxon.

What is the main principle behind binomial nomenclature?

Each species is given two names: the genus name and the species name.

What is an example of hybrid organisms mentioned in the lecture?

Liger (male lion, female tiger) and Tigon (female lion, male tiger) are hybrids.

What is the difference between a taxon and taxonomy?

A taxon is any group of organisms, while taxonomy is the classification of living things.

What is the purpose of the International Code of Zoological Nomenclature?

To maintain standard naming conventions for animal species.