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e c o l o g y ~ v o c a b
Terms in this set (35)
A living thing
The specific environment that provides the things an organism needs to live, grow, and reproduce
A living part of an organism's habitat.
A nonliving part of an organism's habitat.
The process in which some organisms use water along with sunlight and carbon dioxide to make their own food.
A group of organisms that are physically similar and can mate with each other and can produce offspring that can also mate and reproduce.
All the members of one species in a particular area
All the different populations that live together in an area
The community of organisms that live in a particular area, along with their nonliving surroundings
The study of how living things interact with their environment
An approximation of a number, based on reasonable assumptions
The number of births in a population in a certain amount of time
The number of deaths in a population in a certain amount of time
Moving into a population
Leaving a population
The number of individuals in an area of a specific size
An environmental factor that prevents a population from increasing
The largest population that an area can support
A process by which individuals that are better adapted to their environment are more likely t survive and reproduce than others of the same species
a behavior or physical characteristic that allows an organism to survive or reproduce in its environment
An organism's particular role in an ecosystem, or how it makes its living.
The struggle between organisms to survive in a habitat with limited resources
An interaction in which one organism captures and feeds on another organism
An animal that hunts other animals for food
An organism that is killed and eaten by another organism
A close relationship between two species that benefits at least one of the species.
A relationship between two species in which both species benefit
A relationship between two organisms in which one organism benefits and the other is unaffected
One organism benefits and the other is harmed
an organism that lives in or on another organism; one who lives off another person
An organism on which a parasite lives.
A series of predictable and orderly changes within an ecosystem over time.
An ecological succession that begins in an area where no biotic community previously existed
First species to populate an area during primary succession
A series of changes that occurs in an area where the ecosystem has been disturbed, but where soil and organisms still exist.
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