Bio 1010 - General Biology » Fall 2022 » Lab 21 Quiz

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Question #1
Every step in the food chain loses usable energy, and only small amount of total energy can be recovered in the next trophic level. How much energy (kcal.) will be left in tertiary consumers if the producers have 100,000 kcal at the beginning?
A.   10,000,000 kcal
B.   1,000 kcal
C.   1,000,000 kcal
D.   10,000 kcal
E.   100 kcal
Question #2
The producers can be found ________________________ of a food chain.
A.   at the beginning
B.   at the end
C.   in the middle
Question #3
Can you have a food pyramid with 10 trophic levels?
A.   Yes because organisms can reproduce even in the absence of energy
B.   Yes because the unlimited amount of energy is available
C.   No because there will be tons of energy available at the very top of food pyramid
D.   No because there will not be enough energy left in upper trophic levels
Question #4
Every step in the food chain loses usable energy, and only small amount of total energy can be recovered in the next trophic level. How much energy (kcal.) will be available in the producers if the primary consumers have 100,000 kcal at the beginning?
A.   10,000,000 kcal
B.   1,000 kcal
C.   100 kcal
D.   10,000 kcal
E.   1,000,000 kcal

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