Exam 2 Flashcards
Tolerance
Ability to tolerate disturbance
Climax community
Late successional community that remains stable until disrupted by disturbance
Pioneer species
The first organisms to colonize new or disturbed area after a flood ,fire, and volcanic enruption
Ecological sucession
The process by which the species and habitat in an area changes over time.
Emigration
The act of an animal leaving an area
Immigration
An animal leaving habitat to a new area for food and resources
Why is a volcanicl eruption an example of primary sucession
Lava flow creates completely barren land . Ecosystem starts from scratch
What are examples of secconday sucession
Floods,fires, and hurricanes
Character displacement
Evolved changes in morphology that reduces competition between species
Niche partitioning
Two or more species coexist while sharing resources in such a way that the niches overlap
Realized niche
The actual range of conditions a species occupies in the real world conditions
Fundemental niche
The full range refers to the full range of environmental conditions where a species could potentially survive and reproduce
What is temporal partitioning?
Organisms utilize different resources at different times of the day or season
Niche partitioning
Species divide resources to reduce competition to reduce competition and coexist
What is exponential growth?
Generations overlap m, continuous population growth unlimited in short term.
Carrying capacity
The maximum
Number of organisms an environment can support
What shape is a logistic growth rate
Sigmoid s shape
Demographics
The study of these vital statistics in a population and how they change over time
Surviorship curve
A graphic way to represent data in a table showing life expectancy
Age distribution
Reflects a population,s history of survival reproduction and growth potential
