Flow of Energy in an Ecosystem

Which choice is the primary consumer in this food web?

• Dragon Fly

• King Fisher

• Freshwater Shrimp

• Trout

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Why do you find fewer organisms at higher trophic levels?

• Due to less energy

• Due to more energy

• Incorrect, there are far more species found at higher trophic levels compared to lower levels

• Global warming

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why do organisms tend to be larger in size at higher trophic levels, but result in less biomass.

• Larger number of animals in higher trophic levels

• Fewer number of animals in higher trophic levels

• Due to the increase in temperature

• They are going extinct.

Tags

NGSS.MS-LS2-3

Exit Ticket: Assume that producers in this pyramid have 1,000,000 kilocalories of energy.

How much energy is available to primary consumers?

• 1,000,000 Kc

• 1,000 Kc

• 100,000 Kc

• 100 Kc

Tags

NGSS.MS-LS2-3

Which type of heterotroph only eats animals?

• herbivore

• carnivore

• detritrivore

• decomposer

Which organism is an autotroph?

• 
• 
• 

Tags

NGSS.MS-LS1-6

Most humans are which type of heterotroph ?

• omnivore

• detritivore

• autotroph

• decomposer

What does a decomposer consume?

• living plants

• living animals

• dead plants and animals

• sunlight

Tags

NGSS.MS-LS2-3

Which energy model is the best to show the relationships in the real world?

• food chain

• food web

• autotroph chain

• heterotroph pyramid

Tags

NGSS.MS-LS2-3

How much energy is transferred to the trophic level above?

• 1%

• 10%

• 100%

• 1000%

Tags

NGSS.MS-LS2-3