Environmental Science Chapter 1
Chapter 1 key terms
Terms in this set (29)
A living thing.
An 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 by which an organism uses 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 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 each other and their environment.
An approximation of a number, based on reasonable assumptions
Moving into a population.
Leaving a population.
The number of individuals per unit area.
An environmental factor that prevents a population from increasing.
The largest population that an area can support.
A process by which characteristics that make an individual better suited to its environment become more common in a species.
A behavior or physical characteristic that allows an organism to live successfully in its environment.
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 resource.
An interaction in which one organism kills another for food.
The organism that does the killing in a predation interaction.
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 species in which one species benefits and the other is neither helped nor harmed.
A relationship in which one organism lives on or in a host and harms it.
The organism that benefits by living on or in a host in a parasitism interaction.
The organism that a parasite lives in or on in a parasitism interaction.
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