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Living Things and their Environment
Studying Population
Interactions Among Living Things
Interactions Continued
Miscellaneous
100
The place where an organism lives and that provides the things the organism needs
What is a Habitat
100
The largest population that an environment can support
What is Carrying Capacity
100
The organism that the parasite lives in or on
What is a Host
100
The struggle between organisms to survive as they attempt to use the same limited resources
What is Competition
100
The nonliving parts of an ecosystem
What is Abiotic Factors
200
The smallest unit of ecological organization
What is an Organism
200
Counting the number of organisms in a small area and multiplying to estimate the number in a larger area
What is Sampling
200
An interacting in which one organism kills another.
What is Predation
200
A close relationship between two species that benefits at least one of the species
What is Symbiosis
200
The number of individuals of a population in a specific area
What is Population Density
300
The living parts of a habitat
What is a Biotic Factor
300

When organisms leave a population

What is Migration

300
The study of how things interact with each other and with their environment.
What is Ecology
300
Mutualism, commensalism, and parasitism are three types of
What is Symbiotic Relationships
300
One organism lives on or in another organism and harms it (dog and flees)
What is Parasitism
400
All members of one species in a particular area
What is Population
400
An approximation of a number, based on reasonable assumptions
What is an Estimation (estimate)
400
The behaviors and physical characteristics that allow organisms to live successfully in their environments
What is an Adaptation
400
A relationship in which both species benefits
What is Mutualism
400
The series of changes that occurs after a disturbance in an existing ecosystem
What is Secondary Succession
500
All the different populations that live together in an area.
What is a Community
500
An environmental factor that causes a population to decrease Ex. food and water, space, weather
What is a Limiting Factor
500
An organism's particular role in it's habitat, or how it makes its living
What is a Niche
500

A relationship in which one species benefits and the other is neither helped nor hurt

What is Commensalism?

500
The first species to populate an area (mosses, lichens)
What is Pioneer Species