Two Species of Buttercup Are Found in a Field in North

question 59

Multiple Choice

Two species of buttercup are found in a field in North Dakota, and they tend to flower at approximately the same time in early spring. When some ecology students decided to conduct an experiment in community dynamics, they selectively removed one species from the field by hand-picking all emergent plants. The remaining species showed a significant increase in its population size during the next season. This study demonstrated

• A) intraspecific competition.
• B) habitat fragmentation.
• C) interspecific competition.
• D) niche fragmentation.
• E) niche realignment.

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Definitions:

Redistributive Exchange

An economic system where goods or resources are collected from a group and then distributed based on a specific set of criteria.

Tribute

Payment made periodically by one state or ruler to another, especially as a sign of dependence or submission.

Political Organization

The way power, as the capacity to do something, is accumulated, arranged, executed, and structurally embedded in society; the means through which a society creates and maintains social order and reduces social disorder.

Uncentralized Political System

A form of governance where power or legal authority is dispersed among various levels of government or organizations rather than being centralized in a single authority.