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The video tutorial explains the concept of carrying capacity, using a pizza buffet as an analogy to illustrate how an environment can only support a certain number of organisms. It discusses how scientists study carrying capacity to determine ecosystem sustainability, focusing on limiting factors such as food, water, and shelter. The tutorial highlights how these factors affect animal populations in different ecosystems, using examples like bears in forests and scorpions in deserts.

What is the main analogy used to explain carrying capacity?

• A zoo with too many animals

• A pizza buffet with soccer teams

• A classroom with too many students

• A garden with too many plants

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What happens when the number of customers exceeds the carrying capacity of the pizza buffet?

• The players leave

• The pizza place closes

• Some players go hungry

• The pizza place makes more pizzas

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What is carrying capacity?

• The maximum number of living organisms that an environment can support

• The minimum number of organisms an environment can support

• The average number of organisms in an environment

• The number of organisms that can live in a desert

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How do scientists determine the number of animals that can live and thrive in an area?

• By measuring the area

• By evaluating the limiting factors

• By counting the animals

• By observing the animals

What is an example of a limiting factor in a natural environment?

• Presence of humans

• Availability of food

• Number of trees

• Amount of sunlight

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Why can't a small forest support four bears?

• There is not enough space

• There is not enough food

• There are too many predators

• The weather is too harsh

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Why do bears not live in the middle of a desert?

• There is no shelter

• There are too many predators

• There is no food

• There is no water

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What allows scorpions to thrive in the desert?

• They live in trees

• They need a lot of water

• They eat plants

• They burrow under the sand

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What is a limiting factor?

• Something that increases the number of organisms

• Something that restricts the number of organisms

• Something that has no effect on the number of organisms

• Something that only affects plants

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Which of the following is NOT a limiting factor?

• Availability of food

• Availability of water

• Availability of shelter

• Availability of sunlight

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