Describing Populations

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

• Biome

• Ecosystem

• Community

• Niche

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What does the graph represent?

• Emigration

• Exponential growth

• Immigration

• Logistic Growth

What point on the graph represents the carrying capacity?

• A

• B

• C

• D

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condition that restricts a population's growth, such as space, disease, and food availability

• mutualism

• niche

• limiting factor

• predation

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The scientific study of human populations is called

• Populography

• People science

• Humanology

• Demography

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A beverage company wanted to see if people in the United States liked their new logo.
Which choice best represents a population?

• A selection of logo artists.

• Every person in the United States.

• A selection of shoppers from different shoppers from different states.

• 3,800 children age 5-15

What effect will an invasive species have on the carrying capacity of an ecosystem?

• The carrying capacity will increase

• The carrying capacity for everyone will decrease

• The carrying capacity will only decrease for those in competition for same resource

• The carrying capacity for all animals will stay the same

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The field mouse population in Australia has grown so fast that they eat an average of  $4 billion of wheat every year. Their fast growth is caused by:

• The mice like to reproduce

• A lack of a native species to eat the field mouse

• Abundant food supply

• Both B and C

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

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What is this picture describing?

• It is describing direct competition between flamingos and ducks.

• It is describing natural selection as it follows the disruptive selection pattern.

• It is describing the niche of each bird within the tree.

• It is describing abiotic factors of the tundra.

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NGSS.MS-LS2-2