Ecosystem Question 96
Question: A pasture of 40 hectares has a biomass of 40 kg/hectare, or roughly 1,000,000 calories of energy. Cattle grazing on this pasture are sold for beef. About how many calories of energy from the pasture reach human consumers of the beef?
Options:
A) 10,000
B) 1000
C) 100,000
D) 1,000,000
Show Answer
Answer:
Correct Answer: C
Solution:
[c] Only about 10% of the energy is transferred between trophic levels; thus, 100,000 calories are in the cows and available to human consumers.
BETA
