7.12A Flow of Energy

Which statement best describes the flow of energy through this

pyramid?

• The trophic level represented by catfish and gobies receives

  energy directly from the producers.

• The trophic level represented by shrimp and copepods receives

  energy directly from the tertiary consumers.

• The trophic level represented by redfish and flounder receives

  energy directly from the secondary consumers.

• The trophic level represented by wire grass and phytoplankton

  receives energy directly from the primary consumers.

Tags

NGSS.MS-LS2-3

Answer the following question

• F

• G

• H

• J

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What is the primary role of decomposers in maintaining the LAW OF CONSERVATION OF MASS AND ENERGY in ecosystems?

• They convert sunlight into chemical energy

• They break down dead organisms and return nutrients to the environment

• They produce oxygen through photosynthesis

• They consume other organisms for energy

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

How does the law of conservation of mass apply to ecosystems?

• Mass will be created or destroyed within the ecosystem

• Mass only flows from producers to consumers

• The total amount of matter stays constant as it cycles through the ecosystem

• Mass increases over time as organisms grow

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A diagram is provided. Which of the following correctly shows one way that energy would flow through this ecosystem?

• A

• B

• C

• D

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A labeled energy pyramid is provided. At which level would you find the least amount of energy available?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

All energy on Earth ultimately comes from what source? (a)  

• Water
• Sun
• Consumers
• Oxygen

Tags

NGSS.MS-ESS2-1

Match the following:

• Owl

• Top Predator

• Grasshopper

• Secondary Consumer

• Snake

• Tertiary Consumer

• Plant

• Herbivore

• Bird

• Producer/Autotroph

Tags

NGSS.MS-LS2-3

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.

• The number of primary consumers would increase.

• The number of plants would increase.

• The number of secondary consumers would increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3