Unit 2, Module 3 Glossary Flashcards Preview

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Flashcards in Unit 2, Module 3 Glossary Deck (17):
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Ecosystem

All the living organisms and all the non-living components in a specific habitat and their interactions.

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Habitat

The place where an organism lives

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Biotic factors

All the living factors

3

Abiotic factors

Non-living components of an ecosystem

4

Population

All the organisms of one species that live in the same place at the same time and that can breed together

5

Community

All the population of different species that live in the same place at the same time, and can interact with each other.

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Niche

The role each species plays in an ecosystem

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Trophic level

The level at which an organism feed in a food chain

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Consumers

Living organisms that feed in other living organisms

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Producers

Autotrophic organisms that convert light energy to chemical energy which they then supply to consumers

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Abundance

The relative representation of a species within an ecosystem

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Belt Transect

A form of continuous quadrat sampling along a line

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Climax Community

A community that has reached an equilibrium with the environment and no longer appears to be changing in composition.

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Decomposer

An organism that obtains its energy and carbon from the extracellular digestion and absorption of dead or decaying matter

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Denitrification

The removal of nitrogen compounds from the soil by bacteria

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Detritivore

An organism that obtains energy by ingesting dead material mixed with inorganic material.

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Distribution

The arrangement or spread of individuals in a population in an area