Trophic Levels

Trophic levels are specific levels that organisms are assigned in the food chain or web. What do they study?

• How energy moves through one level to the next

• How organisms reproduce

• How plants grow

• How animals migrate

Tags

NGSS.MS-LS2-3

What percentage of energy is lost as heat and maintenance of the organism's body?

• 10%

• 50%

• 90%

• 25%

If 90% of the energy is lost, what percentage of energy do you receive from the animal that is eaten?

• 5%

• 10%

• 20%

• 30%

Tags

NGSS.MS-LS2-3

Which level in the trophic pyramid is directly above the producers?

• Tertiary consumers

• Secondary consumers

• Primary consumers

• Quaternary consumers

Which of the following is a tertiary consumer?

• Deer

• Rabbit

• Hawk

• Grass

Tags

NGSS.MS-LS2-3

In a food web, what is the main function of the primary consumers?

• To produce food

• To eat producers

• To decompose matter

• To provide shelter

Tags

NGSS.MS-LS2-3

Which of the following is not a part of the trophic levels?

• Producers

• Primary consumers

• Secondary consumers

• Decomposers

Tags

NGSS.MS-LS2-3

What is the main difference between a food chain and a food web?

• A food chain is linear, a food web is interconnected

• A food chain is complex, a food web is simple

• A food chain includes decomposers, a food web does not

• A food chain is circular, a food web is linear

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Which of the following best describes the role of tertiary consumers?

• They produce energy

• They are at the top of the food chain

• They decompose organic matter

• They are primary producers

Tags

NGSS.MS-LS2-3

What is the primary role of secondary consumers in a food web?

• To produce food

• To eat primary consumers

• To decompose matter

• To provide energy to producers

Tags

NGSS.MS-LS2-3