In an $Urn$-shaped age pyramid of the population,the trend of growth is:

If $8$ individuals in a laboratory population of $80$ fruit flies died during a specified time interval, the death rate in the population during that period is

Which of the following is not a part/component of population attributes?

Natality of a region is assessed by the rate of . . . . . . of individuals per unit area,per unit time.

$A$ population is correctly defined as having which of the following characteristics?
$(A)$ Inhabiting the same geographical area
$(B)$ Individuals belonging to the same species
$(C)$ Possessing a constant and uniform density and dispersion

The abundance of a species population within its habitat is called