Unit 8 Part 2 Flashcards Preview

Biology > Unit 8 Part 2 > Flashcards

Flashcards in Unit 8 Part 2 Deck (13):
0

Climax Community.

A stable, mature community that undergoes little or no change over time.

1

Succession.

Orderly, natural changes, and species replacements that take place in communities of an ecosystem over time.

2

Carrying Capacity.

Number of organisms of one species that an environment can support indefinitely.

3

Exponential Growth.

Growth pattern where a population grows faster as it increases in size. Graph growing population resembles a J-shaped curve.

4

Host Cell.

Living cell in which a virus replicates.

5

Exotic Species.

Nonnative species in an area.

6

Limiting Factor.

Any biotic or abiotic factor that restricts the existence, numbers, reproductions, or distribution of organisms.

7

Primary Succession.

Colonization of barren land by pioneer organisms.

8

Secondary Succession.

Sequence of changes that take place after a community is disrupted by natural disasters or human actions.

9

Tolerance.

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.

10

Density-Dependent Factor.

Limiting factors such as disease, parasites, or food availability that affects growth of a population.

11

Density-Independent Factor.

Factor such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density.

12

Life History Pattern.

An organism's pattern of reproductions; maybe rapid or slow.