If no additional materials were added to the culture dish, after day 14, predict what would happen to the paramecium population.

The answer is 4 . The population will begin to decrease to depletion of resources and increased competition. This will cause an increase in death rate of the paramecium population as compared to birth rate. This phase follows the latent phase where the population remains the same over time as the population reaches carrying capacity and the birth rate equals death rate

Where’s the selection?

The  correct answer should be a waste