Chapter 14 Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Habitat | Combined biotic and abiotic factors found in the area where an organism lives.
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| Ecological Niche | All of the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce in an ecosystem.
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| Competitive Exclusion | Theory that states that no two species can occupy the same niche at the same time.
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| Ecological Equivalents | Organisms that share a similar niche but live in different geographical regions.
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| Competition | Ecological relationship in which two organisms attempt to obtain the same resource.
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| Predation | Process by which one organism hunts and kills another organism for food.
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| Symbiosis | Ecological relationship between members of at least two different species that live in direct contact with one another.
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| Mutualism | Ecological relationship between two species in which each species gets a benefit from the interaction.
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| Commensalism | Ecological relationship in which one species receives a benefit but the other species is not affected one way or another.
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| Parasitism | Ecological relationship in which one organism benefits by harming another organism.
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| Population Density | Measure of individuals living in a defined area.
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| Population Dispersion | Way in which individuals of a population are spread out over an area or volume.
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| Survivorship Curve | Graph showing the surviving members of each age group of a population over time.
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| Immigration | Movement of individuals into a population.
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| Emigration | Movement of individuals out of a population.
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| Exponential Growth | Dramatic increase in population over a short period of time.
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| Logistic Growth | Population growth that is characterized by a period of slow growth, followed by a period of exponential growth, followed by another period of almost no growth.
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| Carrying Capacity | Number of individuals that the resources of an environment can normally and persistently support.
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| Population Crash | Dramatic decline in the size of a population over a short period of time.
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| Limiting Factor | Environment factor that limits the growth and size of population.
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| Density-Dependent Limiting Factor | Environmental resistance that affects a population that has become overly crowded.
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| Density-Independent Limiting Factor | Environmental resistance that affects a population regardless of population density.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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