Organisms and Populations — BIOLOGY STD 12 Science — Question

Study the graph given below and answer the questions that follows.

1. Write the status of food and space in the curves A and B.
2. In the absence of predators, which one of the two curves would appropriately depict the prey population?
3. Time has been shown on X-axis and there is a parallel dotted line above it. Give the significance of this dotted line.