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Ecology (BIO 366) Study Guide Exam 1

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University of North Carolina Wilmington

Ecology (BIO 366)

Introduction – Nature of Ecology
Vocabulary
Ecology:
The study of relations between organisms and their natural environment, living and nonliving.
Population:
A group of individuals of the same species living in a given areas at a given time.
Community:
A group of interacting plants and animals inhabiting a given area.

Ecosystem:
The biotic community and its abiotic environment, functioning as a system.

Landscape:
An area of land (or water) composed of a patchwork of communities and ecosystems.

Biome:
Major regional ecological community of plants and animals; usually corresponds to plant
ecologists’ and European ecologists’ classification of plant formations and life zones.
Biotic:
Applied to the living component of an ecosystem.

Abiotic:
Nonliving; the abiotic component of the environment includes soil, water, air, light, nutrients,
and the like.

Biosphere:
Thin layer about earth in which all living organisms exist.

Hypothesis:
Proposed explanation for a phenomenon; we should be able to test it, accepting or rejecting it
based on experimentation.

Model:
In theoretical and systems ecology, an abstraction or simplification of a natural phenomenon,
developed to predict a new phenomenon or to provide insight into existing ones; in mimetic
association, the organism mimicked by a different organism.

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Ecology (BIO 366) Study Guide Exam 1

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