Population Ecology Vocabulary

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators

• disease

• increase in available food

• drought

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NGSS.MS-LS2-1

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When death rate is equal to birth rate...

• population increases

• population decreases

• population stays the same.

• population rapidly increases then becomes stable

What is a niche?

• the job of an organism in an ecosystem

• a tree branch with a notch cut out of it

• water eroding soil from the edge of a river

• plants competing for sunlight

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NGSS.MS-LS2-2

Which one is a biotic factor?

• water

• sunlight

• air

• fungus

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NGSS.MS-LS2-2

The study of how living things interact with one another and with their environment.

• Biology

• Lithology

• Ecology

• Farmacology

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NGSS.MS-LS2-1

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Two or more members of a particular species living and interacting in the same area

• Community

• Population

• Organisms

• Biosphere

Different populations living and interacting with each other in the same area

• Biome

• Ecosystem

• Community

• Niche

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NGSS.MS-LS2-2

All of the squirrels living in Hubbard Park would be considered a

• population

• community

• ecosystem

• organism

What is carrying capacity in population ecology?

• The maximum number of individuals an environment can support

• The number of offspring produced by an organism

• The rate at which a population increases

• The minimum number of individuals needed for a population to survive

Which of the following is an example of a density-dependent factor?

• Earthquake

• Flood

• Disease

• Temperature

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