An organisms that can capture energy from the sun or from chemicals and store it; also called autotroph

The process by which primary producers use sunlight to convert carbon dioxide and water into sugars, releasing oxygen

The process by which bacteria use energy stores in bonds of hydrogen sulfide to convert carbon dioxide and water into sugars

An organism that relies on other organisms for energy and nutrients; also called heterotroph

The process by which organisms use oxygen to release the chemical energy of sugars, producing carbon dioxide and water

An animal that kills and eats other animals

An animal that eats both plants and animals

An organism that scavenges the waste products or dead bodies of other community members

An organism that breaks down nonliving matter into simple parts- that can be taken up and reused by primary producers.

The total amount of living tissue in a trophic level

A linear series of feeding relationships

A diagram of feeding relationships and energy flow showing the paths by which nutrients and energy pass from organism to organism as one consumes another

A species that has a strong or wide ranging impact on a community

A somewhat predictable series of changes over time in a community

The somewhat predictable series of changes in a community that follows a disturbance so severe that no vegetation or soil life remains

One of the first species to colonize newly exposed land

The somewhat predictable series of changes in a community that followed a disturbance that dramatically alters the community but does not destroy all vegetation or soil life

A nonnative species that spreads widely in a community

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Ch. 5 Lesson 3-4

Term	Definition
Primary Producer	An organisms that can capture energy from the sun or from chemicals and store it; also called autotroph
Photosynthesis	The process by which primary producers use sunlight to convert carbon dioxide and water into sugars, releasing oxygen
Chemo-synthesis	The process by which bacteria use energy stores in bonds of hydrogen sulfide to convert carbon dioxide and water into sugars
Consumer	An organism that relies on other organisms for energy and nutrients; also called heterotroph
Cellular Respiration	The process by which organisms use oxygen to release the chemical energy of sugars, producing carbon dioxide and water
Herbivore	An organism that eats plants
Carnivore	An animal that kills and eats other animals
Omnivore	An animal that eats both plants and animals
Detritivore	An organism that scavenges the waste products or dead bodies of other community members
Decomposer	An organism that breaks down nonliving matter into simple parts- that can be taken up and reused by primary producers.
Trophic Level	A rank in feeding hierarchy
Biomass	The total amount of living tissue in a trophic level
Food Chain	A linear series of feeding relationships
Food Web	A diagram of feeding relationships and energy flow showing the paths by which nutrients and energy pass from organism to organism as one consumes another
Keystone Species	A species that has a strong or wide ranging impact on a community
Succession	A somewhat predictable series of changes over time in a community
Primary Succession	The somewhat predictable series of changes in a community that follows a disturbance so severe that no vegetation or soil life remains
Pioneer Species	One of the first species to colonize newly exposed land
Secondary Succession	The somewhat predictable series of changes in a community that followed a disturbance that dramatically alters the community but does not destroy all vegetation or soil life
Invasive Species	A nonnative species that spreads widely in a community

Created by: Andy.Vs

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