Energy Flow in Ecosystems

What is the primary source of energy for the ecosystem pictured above?

• Grass and Green plants

• Hawks and Deer

• Tadpoles and Fish

• Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this food web, which of the following organisms eats the largest variety of different producers?

• Mouse

• Grasshopper

• Dragonfly

• Butterfly

Select all the biotic factors from the list.

• Water

• Turtle

• Log Turtles are Sitting On

• Grasses

• Sun

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Select all the abiotic factors from the list.

• Water

• Turtles

• Log Turtles are Sitting On

• Sun

• Grasses

Which of the following supply energy TO the bear?

• Beaver

• Parasol Fungus

• Swallowtail Caterpillar

• Persimmon Tree

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this food web, the gray fox is a...

• Primary Consumer

• Secondary Consumer

• Both a Primary Consumer and a Secondary Consumer

• Producer

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

If only 10% of the energy in the pyramid is available as you move from one trophic level to the next, what happens to the other 90%?

• Passed on to decomposers

• Metabolized and "lost" as heat energy and waste

• Assembled into tissues of producers permanently

• False statement - 100% of the energy is available

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If there are 1,000,000 producers in this pyramid of numbers, how many "herbivorous consumers" (primary consumers) can be supported?

• 1,000,000

• 100,000

• 10,000

• 1,000

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The initial source of energy for all ecosystems is...

• The Sun

• Photosynthesis

• Sugar

• There is no one source

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If you constructed a food chain, what role does the plant play?

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3