05 ENV Ecology

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

• Ecology
• Recycling
• Modeling
• Economy

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-5

What is the original source of almost all the energy in most ecosystems?

• Sunlight
• Carbohydrates
• Water
• Carbon

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

An organism that cannot make its own food is called a(an):

• heterotroph
• chemotroph
• autotroph
• Producer

Animals that eat a variety of meats, fruits and vegetables are

• Omnivores
• Herbivores
• Carnivores
• Producers

Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called:

• decomposers
• omnivores
• autotrophs
• Producers

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NGSS.MS-LS2-3

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All the interconnected feeding relationships in an ecosystem make up a food

• web
• network
• chain
• interaction

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NGSS.MS-LS2-2

At each level of the energy pyramid, how much of the available energy is passed to the next consumer?

• 1%

• 5%

• 10%

• 50%

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NGSS.MS-LS2-3

In an energy pyramid, which level has the most available energy?

• Producer level
• Primary consumer
• Secondary consumer
• Tertiary consumer

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NGSS.MS-LS2-3

Coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes?

• Many more prairie dogs than coyotes
• Fewer prairie dogs than coyotes
• About the same number of prairie dogs as coyotes
• There is no relationship between the number of prairie dogs and coyotes

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which of the following would NOT fall under the category of heterotroph?

• Producer
• Omnivore
• Herbivore
• Primary consumer