the shallowest waters along a lake or ocean shore; where rooted aquatic plants may
grow in lakes
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littoral zone
the total number of individuals in a population that exist within a defined area
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Abundance
,Speciation that occurs when isolating mechanisms evolve among geographically
separated populations
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allopatric speciation
a zone below the benthic zone of a stream; a zone of transition between surface,
stream-water flow, and groundwater
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hyporheic zone
a zone within the deep ocean that extends from about 1,000 to 4,000 m
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bathypelagic zone
The scientific study of the structure and dynamics off populations
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population ecology
,the subdiscipline of ecology that focuses on the flow of energy and nutrients among
the biotic and abiotic components of an ecosystem
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ecosystem ecology
a middle depth zone of the oceans, extending from about 200 to 1,000 m
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mesopelagic zone
The proportion of total phenotypic variation in a trait attributable to genetic variation;
determines the potential for evolutionary change in a trait
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Heritability
spatial transitions from one type of ecosystem to another: for instance, the transition
from a woodland to a grassland.
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, ecotones
depth zone within which temperature changes maximally
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Thermocline
northern forests that occupy the area south of arctic tundra. Though dominated by
coniferous trees, they also contain aspen and birch. Also called taiga
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boreal forest
A change in gene frequencies within a population over time
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Evolution
the transfer of genetic information from one species to another as a result of
hybridization between them and repeated backcrossing.
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grow in lakes
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littoral zone
the total number of individuals in a population that exist within a defined area
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Abundance
,Speciation that occurs when isolating mechanisms evolve among geographically
separated populations
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allopatric speciation
a zone below the benthic zone of a stream; a zone of transition between surface,
stream-water flow, and groundwater
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hyporheic zone
a zone within the deep ocean that extends from about 1,000 to 4,000 m
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bathypelagic zone
The scientific study of the structure and dynamics off populations
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population ecology
,the subdiscipline of ecology that focuses on the flow of energy and nutrients among
the biotic and abiotic components of an ecosystem
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ecosystem ecology
a middle depth zone of the oceans, extending from about 200 to 1,000 m
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mesopelagic zone
The proportion of total phenotypic variation in a trait attributable to genetic variation;
determines the potential for evolutionary change in a trait
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Heritability
spatial transitions from one type of ecosystem to another: for instance, the transition
from a woodland to a grassland.
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, ecotones
depth zone within which temperature changes maximally
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Thermocline
northern forests that occupy the area south of arctic tundra. Though dominated by
coniferous trees, they also contain aspen and birch. Also called taiga
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boreal forest
A change in gene frequencies within a population over time
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Evolution
the transfer of genetic information from one species to another as a result of
hybridization between them and repeated backcrossing.
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