Food Chains and Energy Pyramids

Which organism in this food chain is a primary consumer?

• Fish

• Grass

• Grasshopper

• Hawk

Tags

NGSS.MS-LS2-3

Which organism in this food chain is a tertiary consumer?

• Fish

• Grass

• Grasshopper

• Hawk

Tags

NGSS.MS-LS2-3

In this food pyramid, which level has the greatest amount of energy?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

What is the role of a producer?

• Use sunlight to make food

• Gain energy from eating other organisms

• Keep other species from overpopulating

• Breaking down dead stuff 

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Consumer

• Mutualist

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

How much energy is available to be passed on to the next trophic level in an ecosystem?

• 100%

• 10%

• 50%

• 75%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Elodea is an autotrophic organism which produces sugars at the bottom of some freshwater food chains. Elodea would best be classified as - 

• producers

• herbivores

• carnivores

• omnivores

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In most food chains, all of the energy originally comes from:

• Plants

• Dead matter that's been recycled by decomposers

• Heat from deep within the Earth

• The Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How are primary consumers different from secondary consumers?

• Primary consumers eat only plants; secondary consumers eat other consumers.

• Primary consumers eat other consumers; secondary consumers eat only plants.

• Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.

• Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.

Tags

NGSS.MS-LS2-3

How might a lack of sunlight disrupt the food web?

• It would cause consumers to consume less.

• It would prevent decomposers from decomposing matter.

• It would prevent producers from producing nutrients.

• It would not disrupt the food web at all.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4