Which of the following statements is incorrect about the community structure of pond ecosystems_________
A. In the vertical direction, fish have an obvious layering phenomenon
B. The fauna in the pond has no horizontal structure
C. The vertical distribution of fish in the community mainly depends on plants
D. There are differences in the distribution of biological species in the horizontal direction
Answer:B
Which of the following statements is incorrect about the community structure of pond ecosystems_________
A. In the vertical direction, fish have an obvious layering phenomenon B. The fauna in the pond has no horizontal structure C. The vertical distribution of fish in the community mainly depends on plants D. There are differences in the distribution of biological species in the horizontal direction