Chapter 2 Environmental Science
Terms in this set (40)
The different kinds of plants, animals, and microbes in the community
Certain number of individuals that make up the interbreeding, reproducing group
A group of interacting ecosystems in a given area.
Capture energy from the sun and from chemical reactions to convert carbon dioxide to organic matter
Feeding levels, series of steps or levels
Study of interactions of organisms with their environment and other organisms
Corridors between ecosystems
Plant community with a definite composition, uniform habitat characteristics, and uniform plant growth.
Consume organic material to obtain energy
Feed on both plants and animals
Produce their own organic material from in organic constitutions in their environment through the use of an external energy source
Lives off its host and depends on the host
Feed directly on others
Feed directly on producers
Feed on detritus
Organism that does the feeding
Organism fed on
Virus that causes diseases
The structure that is obtained when the respective biomasses of producers, herbivores, and carnivores in an ecosystem are compared. Producers have the largest biomass, followed by herbivores and then carnivores.
The intimate living together or association of two kinds of organisms
A close relationship between two organisms from which both derive a benefit
A relationship between two organisms in which one organism benefits and the other is unaffected
A relationship between two organisms in which one organism benefits and the other is harmed
Non-living parts of an organism's habitat
Biotic and abiotic fators tat are consumed by organisms
Abiotic factors that vary in time and space, but are not used up by organisms
The job of an organism in a community
Law of limiting factors
Law stating that a system may be limited by the absence or minimum amount of any required factor.
Range of Tolerance
The range of conditions within which an organism or population can survive and reproduce.
Zone of stress
Regions where a species finds a conditions tolerable, but suboptimal. The species survives, but under stress
A comfortable level of alertness at which people perform most effectively at certain tasks
Two or more factors interacting in a way that causes an effect much greater than one would anticipate
Prairies, deciduous forests, arctic tundras, deserts, and tropical rain forests.
A general description of the average temperature and rainfall conditions of a region over the course of a year
Th average kinetic energy of the molecules
Altitude and latitude
Two factors that affect the climate
The actual conditions experienced by an organism in its particular location.
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