If there were $30$ lotus plants in a pond last year and through reproduction $10$ new plants were added, taking the current population to $40$, then the birth rate = $.........$ offspring per lotus per year.

Which of the following factors contribute to an increase in population density?

Which of the following statements correctly correlates with the provided age pyramids?

Which factors influence the change in population density?

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?

The given diagram of an age pyramid represents . . . . . . .