Question 5
Original source text (the original panel preserves all diagram labels, tables and choices):
A group of students is studying the feeding relationships among various organisms
in a farm ecosystem. They have sketched a food web, as shown in the figure below.
Which of the following statements about the food web is/are correct?
I. There are only 2 herbivores in the food web.
II. The energy source of frogs comes only from grasshoppers.
III. The population of snakes will increase if the population of eagle
decreases
IV. If the intensity of light is reduced, the population of wheat will be
affected first.
A. I only C. I, II, and III only
B. II and III only D. II, III, and IV only
A group of students is studying the feeding relationships among various organisms
in a farm ecosystem. They have sketched a food web, as shown in the figure below.
Which of the following statements about the food web is/are correct?
I. There are only 2 herbivores in the food web.
II. The energy source of frogs comes only from grasshoppers.
III. The population of snakes will increase if the population of eagle
decreases
IV. If the intensity of light is reduced, the population of wheat will be
affected first.
A. I only C. I, II, and III only
B. II and III only D. II, III, and IV only