5.1 Relationships in Ecosystems - Review

Match the following organism to its correct classification.

• primary consumer (herbivore)

• 
• decomposer

• 
• tertiary consumer (apex predator)

• 
• secondary consumer

• 
• producer

• 

Tags

NGSS.MS-LS4-2

Match the following organism to its correct classification.

• secondary consumer

• 
• primary consumer (herbivore)

• 
• producer

• 
• decomposer

• 

Tags

NGSS.MS-LS4-2

Place the organisms in the correct order to show the flow of energy in a food chain.

• 
• 
• 
• 

Tags

NGSS.MS-LS2-3

Which organism would you expect to have the lowest biomass?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-1

Place the organisms in the correct order to show the flow of energy in a food chain.

• 
• 
• 
• 
• 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If the food chain is seaweed --> snails --> trout --> eagle --> bacteria and there was 20,000 kg of seaweed, how much biomass would you expect for the trout?

• 200,000 kg

• 2,000 kg

• 200 kg

• 20 kg

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

If the food chain is seaweed --> snails --> trout --> eagle --> bacteria and there was 20,000 kg of seaweed, how much biomass would you expect for the eagle?

• 200,000 kg

• 2,000 kg

• 200 kg

• 20 kg

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The food chain is seaweed --> snails --> trout --> eagle --> bacteria.

Which of the following statements is false?

• On average, there will be more eagles than trout.

• On average, there will be more seaweed than snails

• On average there will be more trout than eagles.

• On average, there will be more snails than trout.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The food chain is seaweed --> snails --> trout --> eagle --> bacteria.

If a disease killed all the snails, what would be the most likely outcome?

• number of eagles would increase

• amount of seaweed would decrease

• number of trout would increase

• number of trout would decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Match the organisms to the their correct biomass

• 6.5 lbs

• 
• 6,500 lbs

• 
• 65 lbs

• 
• 65,000 lbs

• 
• 650 lbs

• 

Tags

NGSS.MS-LS2-1