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Unit 3 Topic 4 - Energy In Ecosystems
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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
How is energy lost through a food chain?
Back (Answer)
when a consumer eats food a large amount of that energy is lost through undigested waste material
#2
Front (Question)
What are 3 ways energy is lost?
Back (Answer)
• movement • heat • undigested waste
#3
Front (Question)
approximately how much energy is lost each time it moves along a food chain?
Back (Answer)
90%
#4
Front (Question)
In a pyramid of numbers…
Back (Answer)
the width of each bar represents the number of organisms at that level
#5
Front (Question)
A pyramid of energy…
Back (Answer)
Is the most accurate way of representing levels of a food chain bc it shows the total energy available at each level
#6
Front (Question)
A pyramid of biomass…
Back (Answer)
shows the total mass of organisms at each level of the food chain