Food Webs and Energy Pyramids

Which of the following vocabulary words can be used to describe the grass in this food chain?

• heterotroph, primary consumer

• autotroph, producer

• decomposer, secondary consumer

• primary consumer, autotroph

Tags

NGSS.MS-LS2-3

Which of the following vocabulary words can be used to describe the frog in this food chain?

• secondary consumer, heterotroph

• heterotroph, tertiary consumer

• autotroph, secondary consumer

• decomposer, heterotroph

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Fungi and bacteria would play which of these roles in a food web?

• producer

• heterotroph

• autotroph

• decomposer

Tags

NGSS.MS-LS2-3

How much energy is passed on to the next trophic level in an energy pyramid?

• 5%

• 1%

• 100%

• 10%

Tags

NGSS.MS-LS2-3

If the grass in this example had 10,000 Kcal of energy, about how much of that energy would be stored in trophic level 3?

• 100 Kcal

• 100,000 Kcal

• 10 Kcal

• 1,000 Kcal

Tags

NGSS.MS-LS2-3

What does the arrow actually represent in a food web or food chain?

• Who is being eaten

• Who is eating

• The flow of energy

• the direction of food

Tags

NGSS.MS-LS2-3

What is another name for a producer?

• consumer

• decomposer

• heterotroph

• autotroph

What is another name for a heterotroph?

• decomposer

• consumer

• autotroph

• producer

Organisms in trophic level 2 are also called...

• secondary consumers

• tertiary consumers

• primary consumers

• producers

Tags

NGSS.MS-LS2-3

Why is it better to have more biodiversity in an ecosystem?

• because biodiversity can help make ecosystems more sustainable

• because biodiversity provides more energy

• because biodiversity provides less energy

• because it gives us more animals for the zoo

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5