Refer to Figure 55.1, a diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)

Figure 55.1
-If this were a marine food web, the smallest organism might be
A)A.
B)F.
C)C.
D)I.
E)E.

Question

Refer to Figure 55.1, a diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)
  
Figure 55.1
-If this were a marine food web, the smallest organism might be
A)A. 
B)F. 
C)C. 
D)I. 
E)E.

Quizplus · Accepted Answer

In a marine food web, the smallest organisms are usually phytoplankton or microorganisms like bacteria. In this diagram, organism A is the smallest and is a type of phytoplankton.