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Populations and Communities (Science Vocabulary)
35 vocabulary words and their descriptions that relate to populations and communities.
Terms in this set (35)
An environment that provides the things the organism needs to live, grow, and reproduce.
The living parts of a habitat.
The nonliving parts of an organism's habitat.
Water, sunlight, oxygen, temperature, and soil are all examples of them.
A process that allows plants and algae to make their own food with the necessities of water, sunlight, and carbon dioxide.
A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.
All the members of one species in a particular area.
All of 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 each other and with their environment.
An approximate 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 causes a population to decrease.
The largest population that an area can support.
A characteristic that makes an individual better suited to its environment may eventually become common in that species.
The behaviors and physical characteristics that allow organisms to live successfully in their environments.
The role of an organism in its habitat, or how it makes its living.
The struggle between organisms to survive as they attempt to use the same limited resources.
An interaction in which one organism kills another for food.
The organism that does the killing.
The organism that is killed.
A close relationship between two species that benefits at least one of the species.
A relationship in which both species benefit.
A relationship in which one species benefits and the other is neither helped or harmed.
Involves one organism living on or inside another organism and harming it.
The organism that harms the host.
The organism the parasite lives on or in.
The series of predictable changes that occur in a community over time.
The series o changes that occur in an area where no soil or organisms exist.
The first species to populate in an area.
The series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist.
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