Flashcards in Unit 8 Part 2 Deck (13):
A stable, mature community that undergoes little or no change over time.
Orderly, natural changes, and species replacements that take place in communities of an ecosystem over time.
Number of organisms of one species that an environment can support indefinitely.
Growth pattern where a population grows faster as it increases in size. Graph growing population resembles a J-shaped curve.
Living cell in which a virus replicates.
Nonnative species in an area.
Any biotic or abiotic factor that restricts the existence, numbers, reproductions, or distribution of organisms.
Colonization of barren land by pioneer organisms.
Sequence of changes that take place after a community is disrupted by natural disasters or human actions.
As the body becomes less responsive to a drug and an individual needs larger or more frequent doses of the drug to achieve the same effect.
Limiting factors such as disease, parasites, or food availability that affects growth of a population.
Factor such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density.