Food Chains and Food Webs — Prelims Questions

Which of the following statements about energy flow in an ecosystem is INCORRECT?

In a grazing food chain, if the producers have $10,000,\text{J}$ of energy, how much energy would be available to the tertiary consumers?

Which of the following would be an example of a detritus food chain?

Which of the following statements best describes a food web?

Biomagnification is most likely to occur with which type of substance?

In an ecosystem, if the population of primary consumers suddenly decreases, what is the most likely immediate effect on the producers and secondary consumers?

Which of the following statements correctly differentiates between a grazing food chain (GFC) and a detritus food chain (DFC)?