Energy Flow

Match the grassland organism to its category.

• Primary Consumer

• 
• Apex Predator

• 
• Tertiary Consumer

• 
• Secondary Consumer

• 
• Producer

• 

Tags

B

If a disease were to affect the snakes in the food chain, what will be the initial (beginning) effect on the populations of hawks and rabbits?

• The populations of hawks and rabbits will decrease.

• The populations of hawks and rabbits will increase.

• The population of hawks will increase. The population of rabbits will decrease.

• The population of hawks will decrease. The population of rabbits will increase.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Label the following:

a

b

c

d

Secondary consumer

Producer

Primary consumer

Tertiary consumer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

​ How much energy would be found in the top-level consumers in the pyramid, based on the flow of energy between trophic levels?

b

c

d

a

450 J

4,500 j

45,000 J

45 J

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which trophic level in this energy pyramid has the LEAST amount of energy? (choose one answer)

Tags

NGSS.MS-LS2-3

Look at the diagram of the food web. Which TWO roles can the Hawk occupy? (Choose 2 correct answers)

• Primary consumer

• Secondary consumer

• Tertiary consumer

• Quaternary consumer

• Producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

• it increases

• it decreases

• it remains the same

• it returns to the sun

Tags

NGSS.MS-LS2-3

How many organisms in this food web eat only producers? Enter only a number.

(a)  

Tags

NGSS.MS-LS2-2

A partial food web is shown. The numbers in the boxes represent animals in the food web. Which organisms have three carnivorous predators and a consumer-producer relationship with at least on organism?

• The organisms that fit in boxes 2, 3 and 7

• The organisms that fit in boxes 5 and 7

• The organisms that fit in boxes 4 and 6

• The organisms that fit in boxes 2 and 7 only

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

A partial mountain forest food web is shown. Which statement does NOT describe a relationship shown in the food web?

• Elk are prey for mountain lions

• Mice are herbivores that consume grasses and are preyed on by snakes

• Owls prey on rabbits and frogs

• Rabbits consume shrubs and are parasites of grasses

Tags

NGSS.MS-LS2-2