Ecological Pyramids

Use the pyramid of biomass below to decide which of the following tables is correct.

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• 
• 
• 

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All food webs and food chains begin with _________________.

• primary consumer

• producers

• secondary consumers

• tertiary consumers

Tags

NGSS.MS-LS2-3

In this energy pyramid, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS2-3

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS2-3

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.

• Consumer
• Producer
• Decomposer
• Herbivore

Tags

NGSS.MS-LS2-3

An organism that eats the secondary consumer.

• Primary Consumer
• Secondary Consumer
• Tertiary Consumer
• Consumer

Who does the grasshopper get energy from? 

• Grass
• Grasshopper
• Mouse
• Owl

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2