Ecosystem Roles and Energy Sources

What is the primary source of energy for most ecosystems?

• Water

• Soil

• The Sun

• Wind

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organisms are known as producers in a food web?

• Herbivores

• Carnivores

• Plants

• Decomposers

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?​ ​ ​ (a)  

• They produce energy from sunlight.
• They break down dead organisms and recycle nutrien
• They consume plants and animals.
• They compete with other consumers for food.

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NGSS.MS-LS2-3

What role do consumers play in the food web?​ (a)  

• They create their own food.
• They break down dead matter.
• They provide nutrients to the soil.
• They eat other organisms for energy.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which of the following is an example of a primary consumer? 

• Fox

• Rabbit

• Mushroom

• Grass

If all the producers in an ecosystem were removed, what would likely happen?

• The ecosystem would collapse due to lack of energy sources.

• Consumers would thrive.

• Decomposers would become more active.

• The Sun would stop shining.

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the primary process by which producers create food?​ (a)  

• Digestion
• Respiration
• Fermentation
• Photosynthesis

Tags

NGSS.MS-LS1-6