BI-1943
Energy flow in ecosystems
Biology · Secondary 4 · Hard · Energy flow in ecosystems
A farmer grows wheat on a field. The wheat can be eaten directly by humans or fed to chickens, which humans then eat. Which option lets the same field feed the greatest number of people?
- Humans eating wheat directly, without rearing chickens
- Humans eating chickens that were fed on the wheat
- Both diets feed the same number of people from the wheat
- It depends only on how the food is cooked
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.