Which of the following parameters of the population can be negative?

For the Verhulst-Pearl Logistic Growth equation $dN/dt = rN \left(\frac{K-N}{K}\right)$,what does $K$ indicate?

The declining phase of a population occurs when

The human population growth graph is:

The measure of the inherent capacity of a population to grow is known as:

Give scientific reasons: When a plant culture is grown in a limited amount of nutrient medium,growth is slow in the initial stage (lag phase). It increases rapidly in the exponential phase and again slows down in the stationary phase.