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an organisms habitat, resource use, and functional role in a community
what is a niche?
Rank in a feeding hierachy
What is Tropic Level?
in general terms, change over time
what is evolution?
a linear series of feeding relationships
What is the food chain?
the degree to which one organism can reproduce successfully in its environment
what is fitness?
a human-controlled process to produce individuals with certain triats
What is artificial selection?
the disappearance of a species from earth
what is extinction?
the act of feeding on a plant?
What is herbivory?
a relationship between two organisms from different species in which one organism depends on the other for nourishment or some other benefit
What is parasitism?
a nonative species that spreads widely in a community
What is invasive species?
a relationship between two organisms from different species in which one benefits and the other is unaffected
what is commensalism?
the process by which new species are generated
what is speciation?
What is an omnivore?
the process by which individuals of one species, hunt captured, and feed on individuals for another species
what is predation?
an organism that can capture energy from the sun or from chemicals and store it, also called autotroph
What is a primary producer?
a relationship between two organisms from different species in which both organisms benefit
What is mutalism?
an accidental change in DNA
what is mutation?
biologic evolution that occurs by chance
What is genetic drift?
a process that allows different species to share common resources
what is Resource Partitioning?
one of the first species to colonize newly exposed land
What are pioneer species?
Process by which bacteria use energy stored in bonds of hydrogen sulfide to convert carbon dioxide and water into sugar
What is Chemosynthesis?
a sequence of DNA that code for a particular trait
what is a gene?
the total amount of living things in a tropic level
what is biomass?
A somewhat predictable series of changes over time in a community
What is succession?
An animal that kills and eats other animals
What is a Carnivore?