Energy Flow in Ecosystems

Which type of organism makes its own food?

• A. producer

• B. consumer

• C. decomposer

• D. fungus

Tags

NGSS.MS-LS1-6

Which type of organism breaks down decaying organic matter?

• producer

• consumer

• decomposer

• plant

Tags

NGSS.MS-LS2-3

What does a food chain model in an ecosystem?

• how each animal finds food

• where each kind of organism lives

• the direction in which energy flows

• the number of different species present

Tags

NGSS.MS-LS2-3

How is a food web different from a food chain?

• It represents the flow of energy.

• It represents the flow of matter.

• It shows the role of decomposers.

• It consists of overlapping food chains.

Tags

NGSS.MS-LS2-3

Why is an energy pyramid shaped like a pyramid?

• A. The organisms in an ecosystem all depend on each other.

• B. The farther you go up in levels the less energy there is.

• C. An ecosystem has fewer producers than other kinds of organisms.

• D. An ecosystem has more decomposers than other kinds of organisms.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is a producer?

• Butterfly

• Grasshoppers

• Lavender plants

• Thrush - bird

Tags

NGSS.MS-LS2-3

Which trophic level contains the most energy in the pyramid?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If there are 3000 units of energy at the producer level in this particular ecosystem, how many units of energy will be available for the the other trophic levels?

• 30 units

• Primary Consumers

• 300 units

• Secondary Consumers

• 3 units

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

Only (a)   of energy is given to the next trophic level.  

• 10%
• 90%
• 25%
• 75%

Tags

NGSS.MS-LS2-3

Label the following Food Chain:

a

b

c

d

produce

secondary consumer

tertiary consumer

primary consumer

Tags

112.34.c.12.C