Question 17
Source instructions: For multiple choice problems circle the right answers. Some problems may have more than one right answer. For essay problem, give explanation briefly.
Look at the following figure.
The following organisms involved in the fresh water ecosystem, shown in the figure.
(1) Rice
(2) Water plant
(3) Zooplankton
(4) Small fish
(5) Grasshopper
(6) White egret
(7) Swamp birds
(8) Duck
(9) Soil rat
(10) Paddy field rat
(11) Sparrow
(12) Owl
Which one of the following statements indicates the correct food chain?

Look at the following figure.
The following organisms involved in the fresh water ecosystem, shown in the figure.
(1) Rice
(2) Water plant
(3) Zooplankton
(4) Small fish
(5) Grasshopper
(6) White egret
(7) Swamp birds
(8) Duck
(9) Soil rat
(10) Paddy field rat
(11) Sparrow
(12) Owl
Which one of the following statements indicates the correct food chain?
