Unit 2 Vocab APES

Biodiversity

Biodiversity hotspots

Hot spots have high biodiversity and many species that cannot be found anywhere else in the world

Genetic diversity

variations in the genetic makeup among a species

Species Diversity

the number of different species within a defined area

Habitat diversity

Ecosystem diversity

Species richness

Species evenness

The evenness of the distribution of different species in a population, ex: 5 monkeys and 5 iguanas

Resistance

an ecosystem’s ability to resist change

Resilience

an ecosystem’s ability to bounce back from disasters and recover to its original state after disturbances.

Ecosystem services

Benefits that ecosystems provide that help with things humans do. Provisioning, regulating, supporting, and cultural

Specialists

Generalists

Provision

Aquaculture

Island Biogeography

A theory that states that the larger and closer an island is to the mainland, the more biodiverse it will be

Species-area curve

Population bottleneck

Ecological tolerance (fundamental niche)

the range of conditions in which an organism can survive

Realized niche

the niche that a species fulfills in reality

Geographic range

the area where a species can be found

mass extinction

a large-scale die-off of species

periodic disruption

episodic disruption

andom disruption

random distruption

intermediate disturbance hypothesis

evolution