5.9B Food Web Energy Flow 2

In food webs and food chains, arrows are used to represent the transfer of energy. In which direction does the energy flow in the arrow below?

• From left to right

• From right to left

• It depends on which organisms it connects.

• Energy always flows upward in a food chain.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A partial food web of the Gulf of Mexico ecosystem is shown below.

What role does the tiger shark play in the food web above?

• Producer

• Prey

• Consumer

• Decomposer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

How many organisms rely on starfish as their food source?

• One

• Two

• Five

• Four

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which of the following food chains is correct based on the food web above?

• Phytoplankton  Sea Slug  Squid  Bull Shark

• Sargassum Seaweed  Bay Scallop  Starfish

• Zooplankton  Starfish  Green Sea Turtle

• Phytoplankton  Starfish  Kemp’s Ridley Turtle  Bull Shark

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In a food chain, energy flows directly between all of the choices below except –

• producer to consumer

• consumer to consumer

• consumer to producer

• producer to decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Below is a partial food web.

What role does the bacteria most likely have in the food web above?

• Producer

• Consumer

• Decomposer

• No role, it’s not connected

Tags

NGSS.MS-LS2-3

Which organism in this food web eats only producers?

• Plants

• Grasshopper

• Bacteria

• Spider

Tags

NGSS.MS-LS2-3

Which organism in this food web is the only organism with no predator?

• Great-horned Owl

• Plants

• Shrew

• Red-tailed Hawk

Tags

NGSS.MS-LS2-3

What would most likely happen to the food web above if all the producers were to die?

• The population of grasshoppers would increase.

• Bacteria would become the new producers.

• All of the animals would move to a new location or die.

• Nothing would change.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4