Answer:
B. Food was a limiting factor.
C. As long as Ling keeps adding more food, the guppy population will continue to grow
Step-by-step explanation:
Limiting factor refers to biotic or abiotic factors that limit or affects the growth of species. In the population of guppies, food was a limiting factor that affects their population growth. Indeed!, it is vivid from the experiment that after Ling increases the amount of food being given to the guppies, there is a significant increase in the population growth.
We can thereby conclude that the following statements that supported these data goes thus;
Food was a limiting factor and as long as Ling keeps adding more food, the guppy population will continue to grow.