Ecosystems Reviewer

Which diagram best describes the way energy would transfer up through the levels food chain?

(Note: Joule (J) is the unit of energy)

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Tags

NGSS.MS-LS2-3

Which statement best describes the availability of energy for organisms in different trophic levels?

• Available energy increases as trophic levels increase.

• Available energy decreases as trophic levels increase.

• Primary consumers have the least energy available.

• Tertiary consumers have the most energy available.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In an ecosystem, not all of the energy that is available is used by the organisms. What happens to some of this energy as it gets transferred from one organism to another?

• The energy is stored as food.

• The energy is dissipated as heat.

• The energy is trapped in dead organisms.

• The energy is moved to another ecosystem.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which trophic level would be negatively affected initially if the secondary

consumers were removed?

• Producers

• Primary consumers

• Tertiary consumers

• Quaternary consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Which of the following is the main driver for water cycle?

• sun

• plants

• fossils

• ocean

Tags

NGSS.MS-ESS2-4

How do organisms like plants contribute to water cycle?

• through condensation

• through evaporation

• through precipitation

• through transpiration

Tags

NGSS.MS-ESS2-4

Mushrooms grow on a dead tree and break it down into chemical nutrients. What is the role of mushrooms in the ecosystem?

• consumer

• decomposer

• producer

• energy source

Tags

NGSS.MS-LS2-3

How do plants help lessen the amount of carbon dioxide in the atmosphere?

• They convert it to oxygen.

• They convert it to nitrogen.

• They convert it to more carbon dioxide.

• They convert it to other nutrients.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What impact do resources, such as sunlight and water, have on a forest ecosystem?

• They limit the carrying capacity of the ecosystem.

• They increase habitat areas for new organisms entering the ecosystem.

• They decrease the number of diseases resulting from overpopulation.

• They alter the rate of photosynthesis, resulting in more oxygen being produced.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Which is an abiotic factor that most limits the number of fish living in a pond?

• the color of the water

• the temperature of the water

• the presence of plants

• the number of predators

Tags

NGSS.MS-LS2-1