In a pond,there were $500$ carp fishes at the beginning of the year. They have a birth rate of $4$ offspring per carp per year. What will be the total number of carp fish at the end of that year?

Which of the following attributes can be applied to an individual organism but not to a population?

Read the following statements and select the correct option with respect to population attributes:
$(a)$ Population density is necessarily measured in numbers.
$(b)$ Tiger census is often based on pug marks and fecal pellets.
$(c)$ Biomass is not a meaningful measure to know population size.
$(d)$ Size of a population for any species is not a static parameter.

Periodic departure and return of an individual in a population is known as

The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
$(a)$ Bacteria $.......................$
$(b)$ Banyan $ .......................$
$(c)$ Deer $ .......................$
$(d)$ Fish $ ......................$

The physiological capacity to produce offspring is called