Properties of Populations

Flashcards about population biology, including population structure, distribution, and dynamics.

Population

A group of individuals of the same species that inhabit a given area.

Genets

Individuals produced by sexual reproduction.

Ramets

Individuals produced by asexual reproduction.

Clonal colony

A group of ramets.

Distribution

The area over which a population occurs.

Ubiquitous

Species with a wide geographic range.

Endemic

Species with a very limited geographic range.

Metapopulation

Collection of subpopulations that are spatially separated but connected by the movement of individuals.

Abundance

Population size.

Population density

The number of individuals per unit area or volume.

Age pyramid

A graphical depiction showing population structure and growth rate.

Dispersal

The movement of individuals in space.

Emigration

Movement of individuals out of a subpopulation.

Immigration

Movement of individuals into a subpopulation.

Migration

Round-trip movement of individuals.

Invasive species

A non-native species that establishes and spreads in a new range, negatively impacting ecosystems and native species.