Food Webs

Which of the following best illustrates the direction of energy flow through the food web above?

• Spider to Grasshopper to Grass

• Hognose snake to toad to grasshopper

• Grass to rabbit to hawk

• mouse to spider to toad

Tags

NGSS.MS-LS2-3

In the food chain above, the role of the grasshopper can best be described as--

• a consumer that eats producers

• a herbivore that produces its own energy

• a producer that provides energy for the mouse

• an omnivore that eats grasses and small animals

Tags

NGSS.MS-LS2-3

What do all food chains and food webs start with?

• primary consumers

• producers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

A student researches an ecosystem and draws the food web shown. How many secondary consumers are in this food web? Record your answer in the space provided.​ (a)  

• 5

• 4

• 2

Tags

NGSS.MS-LS2-3

Identify the organisms in this food web with their categories.

• Primary Consumer

• Deer

• Tertiary Consumer (or apex predator)

• Tree

• Secondary Consumer

• Eagle

• Producer

• Snake

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Use the food web pictured.

A farmer is using chemicals nearby, which ends up destroying the grass. The ​ (a)   populations would decrease since they consume the grass. The ​ (b)   populations would also decrease since their food sources have decreased. Lastly, the ​ (c)   populations would decrease.

• grasshopper, mouse, and rabbit

• bird, frog, owl, and fox

• snake and hawk

• frog, mouse, and rabbit

• snake, owl, and fox

• bird, frog, and mouse

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The picture represents a partial food web. Complete the statement below using the word provided.

Organisms in a forest ecosystem depend on each other to survive. ​ (a)   use the energy from the sun for photosynthesis. The raccoon is a ​ (b)   because it consumes other organisms to obtain energy. The owl is a consumer because it depends on other ​ (c)   for energy. Finally, Fungus are the food web's ​​ (d)   because they break down dead organisms into nutrients for the soil.

Una red alimentaria parcial se muestra en la imagen. Usa las palabras correctas para completar las frases.

Los organismos en el ecosistema del bosque necesitan uno del otro para sobrevivir. ​ Los ... usan la energía del sol para la fotosíntesis. El mapache es un ..... porque consume a otros organismos para obtener energía. La lechuza en un consumidor porque depende de otros .... para obtener energía. Finalmente, los hongos son los ... de esta red alimenticia porque se encargan de reciclar los organismos muertos en nutrientes para la tierra.

• Producers/Productores

• Consumer/Consumidor

• organisms/organismos

• decomposer/descomponedor

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

How does a food web differ from a food chain?

• A food web only includes animals, while a food chain includes plants and animals

• A food web shows a single pathway of energy flow, while a food chain shows multiple pathways

• A food web shows multiple pathways of energy flow, while a food chain shows a single pathway

• There is no difference; they are the same thing

Tags

NGSS.MS-LS2-3

In a food web, what role do plants typically play?

• Primary consumers

• Secondary consumers

• Producers

• Decomposers

Tags

DOK Level 2: Skill/Concept

Which of the following best describes energy transfer in a food web?

• Energy flows from the sun to producers and then to various consumers

• Energy is only transferred between animals

• Energy starts with consumers and then moves to producers

• Energy is recycled within the producers only

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3