Members of a population:

Which environmental conditions are available for organisms that produce a large number of offspring at once versus those that produce only one offspring,considering their life history traits and the constraints imposed by biotic and abiotic factors?

List any four characters that are employed in human population census.

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

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 $ ......................$

Which of the following is not an attribute of a population?