The physiological capacity to produce offspring is called

If natality rate is parallel to mortality rate,then the population:

If $4$ individuals in a laboratory population of $40$ fruitflies died during a specified time interval (i.e.,a week),the death rate in the population during that period is

What is formed by the aggregation of individuals of a species?

Density of population increases when . . . . . . .

In a population,there are $100$ small-sized Parthenium plants and only $1$ large-sized Banyan tree. Which of these has a lower population density?