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Populations and Communities Test Review

Across
The organism that benefits by living with, on, or in a host in a parasitism interaction.
A type of symbiosis in which both species benefit from living together.
A nonliving part of an organism's habitat.
An interaction in which one organism kills another for food or nutrients.
The number of deaths per 1,000 individuals for a certain time period.
An organism that is killed and eaten by another organism in a predation interaction.
The number of individuals in an area of a specific size.
The process by which organisms that are best adapted to their environment are most likely to survive and reproduce.
All the different populations that live together in a particular area.
An inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment.
The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time.
A group of familiar organisms that can mate with each other and produce offspring that can also mate and reproduce.
A type of symbiosis between two species in which one species benefits and the other species is neither helped nor harmed.
A living thing.
Down
Movement of individuals out of a population's area.
The organism that does the killing in a predation interaction.
An environment that provides the things a specific organism needs to live, grow, and reproduce.
The largest population that a particular environment can support.
The number of births per 1,000 individuals for a certain time period.
A living or once living part of an organism's habitat.
Movement of individuals into a population's area.
The study of how organisms interact with each other and their environment.
An environmental factor that causes a population to decrease in size.
How an organism makes its living and interacts with the biotic and abiotic factors in its habitat.
The community of organisms that live in a particular area, along with their nonliving environment.
A type of symbiosis in which one organism lives with, on, or in a host and harms it.
All the members of one species living in the same area.
An organism that a parasite lives with, in, or on, and provides a source of energy or a suitable environment for the parasite to live.