Flow of Energy in an Ecosystem

Presentation

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Science, Biology

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-3, MS-LS2-2

Standards-aligned

Felix Esparza

Used 106+ times

FREE Resource

12 Slides • 6 Questions

Flow of Energy in an Ecosystem

Warm up:

Explain WHY the top predators in a food web receive the least amount of energy from the animals they eat.

Open Ended

Explain WHY the top predators in a food web receive the least amount of energy from the animals they eat.

Type response here

Checking for understanding

An orgnanism can belong to more than one trophic level.

What trophic levels does the Trout belong to in this food web?

Multiple Select

An orgnanism can belong to more than one trophic level.

What trophic levels does the Trout belong to in this food web?

1st Trophic Level: Producer

2nd Trophic Level: Primary Consumer

3rd Trophic Level: Secondary Consumer

4th Trophic Level: Tertiary Consumer

Multiple Choice

Which choice is the primary consumer in this food web?

Dragon Fly

King Fisher

Freshwater Shrimp

Trout

Chacking for understanding

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

Multiple Choice

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

Multiple Choice

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.

Multiple Choice

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

Flow of Energy in an Ecosystem

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